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Prevalence of vegetation browning in China’s drylands under climate change 被引量:1
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作者 Li Fu Guolong Zhang +3 位作者 Jianping Huang Ming Peng Lei Ding Dongliang Han 《Geography and Sustainability》 CSCD 2024年第3期405-414,共10页
Vegetation greening has long been acknowledged,but recent studies have pointed out that vegetation greening is possibly stalled or even reversed.However,detailed analyses about greening reversal or increased browning ... Vegetation greening has long been acknowledged,but recent studies have pointed out that vegetation greening is possibly stalled or even reversed.However,detailed analyses about greening reversal or increased browning of vegetation remain scarce.In this study,we utilized the normalized difference vegetation index(NDVI)as an indicator of vegetation to investigate the trends of vegetation greening and browning(monotonic,interruption,and reversal)through the breaks for the additive season and trend(BFAST)method across China’s drylands from 1982 to 2022.It also reveals the impacts of ecological restoration programs(ERPs)and climate change on these vegetation trends.We find that the vegetation displays an obvious pattern of east-greening and west-browning in China’s drylands.Greening trends mainly exhibits monotonic greening(29.8%)and greening with setback(36.8%),whereas browning shows a greening to browning reversal(19.2%).The increase rate of greening to browning reversal is 0.0342/yr,which is apparently greater than that of greening with setback,0.0078/yr.This research highlights that,under the background of widespread vegetation greening,vegetation browning is pro-gressively increasing due to the effects of climate change.Furthermore,the ERPs have significantly increased vegetation coverage,with the increase rate in 2000-2022 being twice as much as that of 1982-1999 in reveg-etation regions.Vegetation browning in southwestern Qingzang Plateau is primarily driven by adverse climatic factors and anthropogenic disturbances,which offset the efforts of ERPs. 展开更多
关键词 chinas drylands Ecological restoration programs Climate change Greening to browning reversal BFAsT
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Changes of China’s Status in the Global System and Its Influencing Factors:A Multiple Contact Networks Perspective
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作者 LIU Jian LIU Jibin +2 位作者 YANG Qingshan CAI Sikai LIU Jie 《Chinese Geographical Science》 SCIE CSCD 2024年第2期265-279,共15页
Clarifying China’s position in the global system is an important logical basis for developing national diplomacy.Although much research has been done on China’s development status,most studies have been based on cou... Clarifying China’s position in the global system is an important logical basis for developing national diplomacy.Although much research has been done on China’s development status,most studies have been based on country comparisons or institutional en-vironment.In today’s networked era in which the global economy,trade,personnel,and information are closely connected,studies on China’s global position and its status changes and influencing factors in multiple contact networks are still insufficient.In this study,from the perspective of diverse global contact networks,we constructed economic,cultural,and political influence indices to explore the changes and influencing factors on China’s status in the global system from 2005 to 2018.The results show that during the study period,China’s global influence in the fields of economic ties,cultural exchanges,and political contacts increased significantly,but its influ-ence in the fields of cultural exchanges and political contacts lagged far economic ties.The pattern of China’s economic influence on various economies around the world has shown a transformation from an‘upright pyramid’to an‘inverted pyramid’structure.The proportion of these economies in low-influence zones has decreased from more than 60%in 2005 to less than 20%in 2018.China’s cultural and political influence on various economies around the world has increased significantly;however,for the former,the percentage of high-influence areas is still less than 20%,whereas for the latter the percentage of these economies in medium-and high-influence areas is still less than 50%.Analyses such as a scatter plot matrix show that geographical proximity,economic globalization,close cooperation with developing countries,and a proactive and peaceful foreign policy are important factors in improving China’s status in the diverse global network system. 展开更多
关键词 global system economic ties cultural exchanges political contacts multiple contact networks chinas status
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Understanding the Global Identification with China’s Stories: A Cross-Cultural Perspective
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作者 Fu Chun Deng Da 《Contemporary Social Sciences》 2024年第1期46-57,共12页
Cross-cultural storytelling is a primary way for humankind to seek mutual recognition of value orientations between cultures,which facilitates the ability to jointly address the problems of human existence in the cont... Cross-cultural storytelling is a primary way for humankind to seek mutual recognition of value orientations between cultures,which facilitates the ability to jointly address the problems of human existence in the context of globalization.In this study,we conducted an interview survey of 6,130 respondents who were college students or graduates from 107 countries.The results show that there were a number of cross-cultural values embodied in China’s stories seen by the respondents as part of a common vision for the future of humankind and widely identified guidance on collaborative responses to global challenges.These cross-cultural values are common prosperity,ecological harmony,individual-collective integration,the urgency of global peace,as well as respect for multicultural and indigenous development paths. 展开更多
关键词 chinas stories global identification cross-cultural communication
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Spatio-temporal Variation Characteristics of Extreme Climate Events and Their Teleconnections to Large-scale Ocean-atmospheric Circulation Patterns in Huaihe River Basin,China During 1959–2019
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作者 YAO Tian ZHAO Qiang +6 位作者 WU Chuanhao HU Xiaonong XIA Chuan'an WANG Xuan SANG Guoqiang LIU Jian WANG Haijun 《Chinese Geographical Science》 SCIE CSCD 2024年第1期118-134,共17页
Huaihe River Basin(HRB) is located in China’s north-south climatic transition zone,which is very sensitive to global climate change.Based on the daily maximum temperature,minimum temperature,and precipitation data of... Huaihe River Basin(HRB) is located in China’s north-south climatic transition zone,which is very sensitive to global climate change.Based on the daily maximum temperature,minimum temperature,and precipitation data of 40 meteorological stations and nine monthly large-scale ocean-atmospheric circulation indices data during 1959–2019,we present an assessment of the spatial and temporal variations of extreme temperature and precipitation events in the HRB using nine extreme climate indices,and analyze the teleconnection relationship between extreme climate indices and large-scale ocean-atmospheric circulation indices.The results show that warm extreme indices show a significant(P < 0.05) increasing trend,while cold extreme indices(except for cold spell duration) and diurnal temperature range(DTR) show a significant decreasing trend.Furthermore,all extreme temperature indices show significant mutations during 1959-2019.Spatially,a stronger warming trend occurs in eastern HRB than western HRB,while maximum 5-d precipitation(Rx5day) and rainstorm days(R25) show an increasing trend in the southern,central,and northwestern regions of HRB.Arctic oscillation(AO),Atlantic multidecadal oscillation(AMO),and East Atlantic/Western Russia(EA/WR) have a stronger correlation with extreme climate indices compared to other circulation indices.AO and AMO(EA/WR) exhibit a significant(P < 0.05) negative(positive)correlation with frost days and diurnal temperature range.Extreme warm events are strongly correlated with the variability of AMO and EA/WR in most parts of HRB,while extreme cold events are closely related to the variability of AO and AMO in eastern HRB.In contrast,AMO,AO,and EA/WR show limited impacts on extreme precipitation events in most parts of HRB. 展开更多
关键词 extreme climate indices sen’s slope variation mutation test atmospheric circulation indices Pearson’s correlation analysis Huaihe River Basin(HRB) china
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Evolution and Governance of the Structure of Marine Economic Networks in China’s Coastal Areas: Based on Sea-related A-share Listed Companies
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作者 LI Bo CAO Gai 《Chinese Geographical Science》 SCIE CSCD 2024年第5期899-916,共18页
Data on discrete,isolated attributes of the marine economy are often used in traditional marine economic research.However,as the focus of urban research shifts from internal static attributes to external dynamic linka... Data on discrete,isolated attributes of the marine economy are often used in traditional marine economic research.However,as the focus of urban research shifts from internal static attributes to external dynamic linkages,the importance of marine economic net-work research is beginning to emerge.The construction of the marine economic network in China’s coastal areas is necessary to change the flow of land and sea resources and optimize regional marine economic development.Employing data from headquarters and branches of sea-related A-share listed enterprises to construct the marine economic network in China,we use social network analysis(SNA)to discuss the characteristics of its evolution as of 2010,2015,and 2020 and its governance.The following results were obtained.1)In terms of topological characteristics,the scale of the marine economic network in China’s coastal areas has accelerated and expan-ded,and the connections have become increasingly close;thus,this development has complex network characteristics.2)In terms of spatial structure,the intensity of the connection fluctuates and does not form stable development support;the group structure gradually becomes clear,but the overall pattern is fragmented;there are spatial differences in marine economic agglomeration radiation;the radi-ation effect of the eastern marine economic circle is obvious;and the polarization effect of northern and southern marine economic circles is significant.On this basis,we construct a framework for the governance of a marine economic network with the market,the government,and industry as the three governing bodies.By clarifying the driving factors and building objectives of marine economic network construction,this study aims to foster the high-quality development of China’s marine economy. 展开更多
关键词 marine economic network sea-related A-share listed companies social network analysis(sNA) network governance chinas coastal areas
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Entrepreneurial Spirit for China in the New Era and Strategies for Cultivation
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作者 Xu Yuanhua He Jun +1 位作者 Sun Zao Li Xiaoke 《China Economist》 2024年第5期48-59,共12页
What type of entrepreneurial spirit is needed for China’s new era,and how can we unlock its innovation potential?Answers to these questions will unleash vital forces to drive China’s high-quality economic developmen... What type of entrepreneurial spirit is needed for China’s new era,and how can we unlock its innovation potential?Answers to these questions will unleash vital forces to drive China’s high-quality economic development.After reviewing the theories,dimensions,features,and limitations of the entrepreneurial spirit in the Western context,we concluded that the entrepreneurial spirit in China’s new era,which is characterized by patriotism,innovation,trustworthiness,adherence to the law,fulfillment of social responsibilities,and a global horizon,has overcome the limitations that come with self-interested entrepreneurship in the context of Western economics.This is a major step forward in the development of theories on entrepreneurial spirit.In the development context of the new era,this paper argues that the entrepreneurial spirit should become an important force at the individual level to implement the new development concept,foster the new development paradigm,and promote high-quality development in the new stage.This paper provides answers to the question of what type of entrepreneurial spirit China’s new era requires.Finally,this paper presents basic strategies for cultivating entrepreneurial spirit in the context of China’s new era,emphasizing the importance to promote the healthy growth of young entrepreneurs,ensure their business autonomy,develop a multi-tiered capital market,implement the factor market reforms,improve the business climate,and accelerate the digital transition. 展开更多
关键词 Context of chinas new era context of Western economics entrepreneurial spirit high-quality development cultivation strategy
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GDI and GSI: China’s New Propositions for Global Governance
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作者 Ouyang Xiangying 《China Economist》 2024年第5期107-116,共10页
In the post-pandemic era,the global economic and security landscapes are fraught with complexities and uncertainties.Among them,four risk flashpoints merit attention:Certain countries are raising interest rates to sub... In the post-pandemic era,the global economic and security landscapes are fraught with complexities and uncertainties.Among them,four risk flashpoints merit attention:Certain countries are raising interest rates to subdue inflation,despite their already high levels of debt;the bulk commodities market is experiencing volatility,leading to global turbulence and change;trade protectionism is at the forefront of major-power rivalry in political and economic spheres;and regional security crises are compounding international tensions.Behind those flashpoints are contradictions that obstruct world peace and progress,including development imbalances,governance gaps,and structural tensions in global security.In the face of uncertainties,it is crucial for China to seize strategic opportunities and transform crises into favorable situations.China has launched the Global Development Initiative(GDI)and the Global Security Initiative(GSI)to contribute to global prosperity and security.The two initiatives demonstrate China’s commitment to addressing global deficits in peace,development,security,and governance. 展开更多
关键词 Global Development Initiative(GDI) Global security Initiative(GsI) chinas approach to global governance Ukraine crisis china-Russia relationship
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Transitivity Analysis of the Energy in China’s New Era
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作者 SHAN Ting WANG Yu 《Journal of Literature and Art Studies》 2024年第2期170-176,共7页
At present,with the steady development of the global economy,more and more countries begin to pay attention to the impact of ecological environment on economic development and human society,so the ecological environme... At present,with the steady development of the global economy,more and more countries begin to pay attention to the impact of ecological environment on economic development and human society,so the ecological environment has become a global issue that cannot be ignored in today’s era.Therefore,from the perspective of the ecological philosophy of Diversity&Harmony as well as Interaction&Co-existence,this paper will conduct ecological discourse analysis on the Energy in China’s New Era based on the transitivity system of systemic-functional grammar,and use the Corpus analysis software UAM Corpus Tool 3.3x to label and make statistics on the transitivity system,aiming to explore the distribution characteristics of the transitivity system in this white paper.Through the transitivity analysis of the white paper,this study helps readers to have a deeper understanding of the positive significance contained in the white paper.To a certain extent,it enables readers at home and abroad to understand China’s stance on energy issues and the positive image of China in energy ecology.It also awaken readers’awareness of environmental protection and acquire good habits of resource conservation to be in harmony between human and nature for sustainable development. 展开更多
关键词 TRANsITIVITY Ecological discourse analysis Energy in chinas new era
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Historical review and reflections on the participation of acupuncture and moxibustion in the treatment of epidemics in the People’s Republic of China (from 1950 until now)
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作者 Xiong Xiao 《History & Philosophy of Medicine》 2024年第3期1-5,共5页
Since the establishment of the People’s Republic of China, both the Communist Party and the government have placed great emphasis on the advancement of traditional Chinese medicine. Acupuncture and moxibustion have b... Since the establishment of the People’s Republic of China, both the Communist Party and the government have placed great emphasis on the advancement of traditional Chinese medicine. Acupuncture and moxibustion have been actively involved in combating major epidemics such as malaria, schistosomiasis, and COVID-19. This article conducts a historical review of these three significant cases to elucidate how the acupuncture community has effectively utilized its unique advantages and characteristics through theoretical discussions, clinical practices, experimental research, as well as receiving administrative leadership and political support from the Communist Party of China and government. We provide an objective evaluation of their effectiveness while summarizing historical experiences to serve as a reference for future utilization of acupuncture and moxibustion therapy in epidemic relief efforts. Additionally, propose four suggestions: strengthening Party leadership and enhancing political support;timely summarization of experiences to establish programs and systems;deepening scientific research by integrating experimental findings with clinical practice;focusing on public awareness campaigns and education to solidify grassroots foundations. 展开更多
关键词 acupuncture and moxibustion the People’s Republic of china EPIDEMICs MALARIA sCHIsTOsOMIAsIs COVID-19
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Analysis of New Senior English for China Student’s Book 1
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作者 Xia Qian 《语言与文化研究》 2024年第4期128-132,共5页
This article will firstly discuss the context overview of English teaching and learning in China. Under thiscircumstance, a problematic element will be examined of the New Senior English for China Student’s Book 1 an... This article will firstly discuss the context overview of English teaching and learning in China. Under thiscircumstance, a problematic element will be examined of the New Senior English for China Student’s Book 1 and critical appraisal ofhow this element relates to other elements of curriculum development will be analyzed. The recommended changes and demonstrationmechanisms for evaluating the changes are put forward in the last two parts. 展开更多
关键词 New senior English for china student’s Book 1 Assessment Critical appraisal Curriculum development CHANGEs
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Is China a Weibo Democracy?
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作者 Olivier Bomsel 《International Relations and Diplomacy》 2014年第2期120-132,共13页
According to North, Wallis and Weingast's (NWW, 2009) conceptual framework, China's transition to the market economy can be analyzed as a mature natural state evolving towards an open access order. The paper brief... According to North, Wallis and Weingast's (NWW, 2009) conceptual framework, China's transition to the market economy can be analyzed as a mature natural state evolving towards an open access order. The paper briefly sums up the general concepts of this theory and their adaptation to the historical conditions of the Chinese "Socialist Market Economy". It then shows that while the doorstep conditions to such an opening are put together, the route followed by the creation of market and the access to property of a 1.3 billion population is highly specific. In particular, the urbanization policy granting the ownership of housing to several hundred million of individual citizens creates unprecedented institutional needs. In this context, we suggest that rather than introducing formal political competition within the State, the monitoring of the policy through the digital social networks, and notably through the information exchanged by the 500 million of Weibo users, can provide useful and efficient guidance. In others words, that in a country with little rule of law tradition, Weibo sustains the emergence of an active civil society creating a new path to an open access order. 展开更多
关键词 institutional economics law and economics china MEDIA democracy.
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Human Rights in China:Exploration and Development of Whole-process People’s Democracy
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作者 李君如 《The Journal of Human Rights》 2023年第4期709-721,共13页
Whole-process people’s democracy represents a new exploration of socialism with Chinese characteristics for a new era as well as a novel and important method for protecting the human rights of the Chinese people.It i... Whole-process people’s democracy represents a new exploration of socialism with Chinese characteristics for a new era as well as a novel and important method for protecting the human rights of the Chinese people.It is conducive to solving a multitude of problems hindering the protection of civil rights and political rights.The greatest highlight of whole-process people’s democracy is that the people are the masters of their own country and exercise the power to govern the state through“extensive participation and consultation.”China’s experience and approaches in advancing whole-process people’s democracy provide a reference for other countries. 展开更多
关键词 whole-process people’s democracy human rights in china the 20th National Congress of the Communist Party of china
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China's Construction of Democratic Politics and Its Implications——Speech at the Fourth Bali Democracy Forum
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作者 Dong Yunhu,deputy director of the State Council Information Office,PRC 《The Journal of Human Rights》 2012年第1期8-12,共5页
Your Excellency President Susilo Bambang Yudhoyono, Dear Chairman, ladies and gentlemen, I am very glad to have this op- portunity to attend the fourth Bali Democracy Forum. Today, state leaders and experts from diff... Your Excellency President Susilo Bambang Yudhoyono, Dear Chairman, ladies and gentlemen, I am very glad to have this op- portunity to attend the fourth Bali Democracy Forum. Today, state leaders and experts from different countries gather together at Bali, the beautiful "Flower Island," to share experience and exchange views of developing democracy, and explore ways to promote the democratic de- velopment of our own countries. 展开更多
关键词 speech at the Fourth Bali democracy Forum chinas Construction of Democratic Politics and Its Implications CPC
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China's Greatest Contribution to the World Lies in Safeguarding Democracy and Wellbeing for One-Fifth of Humanity
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作者 SONG YUEHONG researcher of the Institute of Modern China Studies under the Chinese Academy of Social Sciences 《The Journal of Human Rights》 2010年第2期18-23,共6页
China has a population that is one-fifth of humanity. Most of its people live in rural areas. This country has been built and developed on the ruins of semi-colonialism and semi-feudalism and on a foundation of "pove... China has a population that is one-fifth of humanity. Most of its people live in rural areas. This country has been built and developed on the ruins of semi-colonialism and semi-feudalism and on a foundation of "poverty and blankness." The founding of New China created the political condition for the advancement of people's democracy. Since the adoption of reform and open policies, or gaige kaifang, China has gradually found an effective way, suited for Chinese conditions, 展开更多
关键词 chinas Greatest Contribution to the World Lies in safeguarding democracy and Wellbeing for One-Fifth of Humanity World
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Phylogeny of the subgenus Singhardina Mahmood (Hemiptera: Cicadellidae: Typhlocybinae: Typhlocybini) from China based on nuclear and mitochondrial gene sequences 被引量:1
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作者 张蒙 黄敏 《Entomotaxonomia》 CSCD 北大核心 2012年第3期509-519,共11页
Fragments of nuclear ribosomal 28S rDNA D2 divergent domain, mitochondrial 16S rDNA, and COI partial genes of 15 species in the subgenus Singhardina Mahmood from China were amplified and sequenced. Molecular phylogene... Fragments of nuclear ribosomal 28S rDNA D2 divergent domain, mitochondrial 16S rDNA, and COI partial genes of 15 species in the subgenus Singhardina Mahmood from China were amplified and sequenced. Molecular phylogenetic trees were constructed using maximum parsimony, maximum likelihood and Bayesian inference methods. Results from these methods revealed similar topologies with recognizable relationships among subclades. The phylogenetic relationship of four species groups of subgenus Singhardina Mahmood from China is discussed for the first time. The results show that Singhardina Mahmood forms a single lineage representing a monophyletic group. The Eurhadina (Singhardina) rubra species group newly proposed in this study is likely the most basal species group within Singhardina Mahmood. The E. (Singhardina) robusta species group is the sister group of the E. (Singhardina) mamata species group. Molecular evidence supports including the E. (Singhardina) vittata species group in the E. (Singhardina) punjabensis species group. 展开更多
关键词 HEMIPTERA TYPHLOCYBINAE Eurhadina 28s rDNA 16s rDNA COI gene china
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China’s Potential Economic Growths during 2015-2025 under Different Scenarios~ 被引量:1
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作者 李平 娄峰 《China Economist》 2015年第2期82-99,共18页
China has entered a crucial period of further growth and restructuring that will last until 2025. Based on a review of the major factors affecting China's potential economic growth, this paper has created an integrat... China has entered a crucial period of further growth and restructuring that will last until 2025. Based on a review of the major factors affecting China's potential economic growth, this paper has created an integrated economic system model consisting of system dynamics, econometrics, and input-output for the forecast of China's economic size and structure by 2025. Analysis shows that prior to 2025, China will be able to maintain a potential annual economic growth rate of 5.7%-7.2%. Faced with an international environment of a possible slowdown of advanced economies and diminishing demographic dividends, China needs to further expedite its urbanization process, enhance R&D and education spending, increase total factor productivity (TFP), vigorously develop the tertiary sector, and expand consumption in order to achieve the optimistically estimated growth of 6.6%-7.4% during the period of 2015-2025. Economic growth should be accompanied by the upgrade of industry structure and improvement of investment and consumption structures. 展开更多
关键词 china's economy structural transition potential economic growth rate
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Human Carrying Capacity of Rangeland Resources in China′s Mountain Areas
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作者 鲍文 《Animal Husbandry and Feed Science》 CAS 2009年第4期7-11,20,共6页
Based on analysis of the development potential of rangeland resources in China's mountain areas, the paper makes analysis and forecast in human carrying capacity of rangeland resources. It provides some reference for... Based on analysis of the development potential of rangeland resources in China's mountain areas, the paper makes analysis and forecast in human carrying capacity of rangeland resources. It provides some reference for drawing up the development strategy in mountain areas. 展开更多
关键词 china's mountain areas Rangeland resources Human carrying capacity
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China's English Learners' Verbal Phrase Acquisition Research Based on the Corpus——“at last”and“in the end”as an Example
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作者 张俊梅 柴晶 《海外英语》 2013年第24期262-263,287,共3页
This study is a comparative research based on corpus. This article compares China's English learners with English na?tive speakers about the use of "at last" and "in the end" from three aspects... This study is a comparative research based on corpus. This article compares China's English learners with English na?tive speakers about the use of "at last" and "in the end" from three aspects: frequency of use, location, semantic prosody. The study shows that the use of the two words are greatly different between China's English learners and English native speakers. In addition, this study discusses about causes of obvious differences and teaching enlightenments. 展开更多
关键词 at LAsT in the end" chinas English LEARNERs
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“中国崛起/China‘s rise&quot;之修辞分析
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作者 李秀香 《长春师范大学学报(人文社会科学版)》 2014年第3期52-56,共5页
我国对外交流中频频出现的“中国崛起/China’s rise”一说,究竟在国际受众中产生了什么效果,又是如何产生这些效果的?长期以来,国内学术界对此缺乏应有的关注.作为一个典型的话语构筑,“崛起/rise”投射出实力日益强大、地位日渐上升... 我国对外交流中频频出现的“中国崛起/China’s rise”一说,究竟在国际受众中产生了什么效果,又是如何产生这些效果的?长期以来,国内学术界对此缺乏应有的关注.作为一个典型的话语构筑,“崛起/rise”投射出实力日益强大、地位日渐上升的中国形象,无疑极大地增强了国内受众的民族自豪感和凝聚力;然而对于多数国际受众而言,传达的则是格局变动、利益洗牌的信号,是对既得利益的威胁.本文通过对“崛起”和“rise”在各自文化中的含义进行修辞分析,结合当代西方主流媒体对“China’s rise”的报道,指出二者的不对称性.鉴于“rise”在国际话语中已具有明显负面联想,且对“中国威胁论”起着推波助澜的作用,我国对外交流有必要实行语言上的韬光养晦,慎言“崛起”,多谈“发展”. 展开更多
关键词 修辞 中国崛起 中国形象 发展
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Comparison of Corn Production Costs in China,the U.S. and Brazil and Its Implications 被引量:3
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作者 钱福凤 杨军 Danielle Alencar ParenteTorres 《Agricultural Science & Technology》 CAS 2016年第3期731-736,共6页
This paper analyzes the corn production cost in China, the U.S. and Brazil from 1997 to 2014. According to the results,(1) corn production cost in China is the highest among these three countries;(2) the rapid gro... This paper analyzes the corn production cost in China, the U.S. and Brazil from 1997 to 2014. According to the results,(1) corn production cost in China is the highest among these three countries;(2) the rapid growth of labor cost and land cost is the major factor that promotes the increase of total corn production cost in China;(3) the level of agricultural mechanization in China has been gradually improving, and the gap between agricultural mechanization levels in China and other two countries is constantly narrowing;(4) differing from the U.S. and Brazil,China exhibits a "high input, low output" agricultural production mode. Based on the above analyses, corresponding suggestions have been presented to reduce corn production cost in China. 展开更多
关键词 CORN Production cost china the U.s Brazil
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