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浅谈RTK技术在部件测量中的应用 被引量:1
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作者 赵子鑫 杨世凤 《河南科技》 2014年第6X期26-27,共2页
城市数字化管理和城市部件空间数据库对城市信息化建设有着不可或缺的意义。本文利用现阶段部件测量的传统方法与先进的RTK测量技术相结合进行试验,总结了RTK技术在改善和高效完成部件测量中应用。
关键词 RTK 城市部件 数据采集 在外业
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技术的市场建构:农民返乡与乡村振兴——中国淘宝村的启示 被引量:3
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作者 门豪 《学术探索》 2019年第9期104-113,共10页
经过农民、电商平台、基层政府、消费者等多方主体的协同参与,一般化的电子商务技术同地方性的乡村生产网络不断磨合以致互嵌,新技术获得深入的经济动员和广泛的社会承认,最终实现了自身社会化,它表征为新旧技术重组、要素累积以及市场... 经过农民、电商平台、基层政府、消费者等多方主体的协同参与,一般化的电子商务技术同地方性的乡村生产网络不断磨合以致互嵌,新技术获得深入的经济动员和广泛的社会承认,最终实现了自身社会化,它表征为新旧技术重组、要素累积以及市场再结构化。农民通过"电商兼业""干中学""弹性生产""即时全时交易"等劳动过程,形塑出了决裂于传统经济形态的淘宝村。互联网商务模式呈现出生产消费一体化及内爆式的经济场景,揭示了技术的市场建构过程中丰富的实践原则。在乡村振兴过程中"技术-经济-社会"的复杂互动机制,索引出宏观结构中城乡关系的制度流变,这关涉到未来乡村社会的经济运行及治理转型。 展开更多
关键词 技术创新 健壮的网状拓扑 弹性生产组织 在外 农村电商
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A Study on the Spatial Distribution of China's Potential Foreign Cooperation on Grain from Geographical View 被引量:5
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作者 QIN Qi CHENG Shengkui +2 位作者 WU Liang LIU Xiaojie LIU Aimin 《Journal of Resources and Ecology》 CSCD 2018年第6期585-591,共7页
Further utilization of global agricultural resources and the expansion of potential international cooperation space are necessary measures to promote a new level of China's national food security and optimize the ... Further utilization of global agricultural resources and the expansion of potential international cooperation space are necessary measures to promote a new level of China's national food security and optimize the structure of domestic food consumption.This study measured the global potential cultivated land area and national grain self-sufficiency.Based on the two-above measures,the authors made a classification of China's foreign agricultural cooperation countries and depicted the spatial pattern of cooperation based on the grain trades of those countries with China.The:grain exporters include Australia,North America,South America,Eastern Europe and Central Asia;and the target countries for "going abroad"of Chinese grain enterprises are mainly located in Sub-Saharan Africa and northern Latin America.This study proposes that China's policy of cooperation on grain should be shifted to non-traditional partners alongside the "Belt and Road Initiative"region.Specifically,China could expand grain imports from Russia,Kazakhstan,Ukraine and other East European and Central Asian countries,and the direction for China's agricultural enterprises "going abroad"should shift to Sub-Sahara Africa. 展开更多
关键词 potential cultivated land grain self-sufficiency foreign agricultural cooperation China
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