The global ionosphere maps(GIM)provided by the International GNSS Service(IGS)are extensively utilized for ionospheric morphology monitoring,scientific research,and practical application.Assessing the credibility of G...The global ionosphere maps(GIM)provided by the International GNSS Service(IGS)are extensively utilized for ionospheric morphology monitoring,scientific research,and practical application.Assessing the credibility of GIM products in data-sparse regions is of paramount importance.In this study,measurements from the Crustal Movement Observation Network of China(CMONOC)are leveraged to evaluate the suitability of IGS-GIM products over China region in 2013-2014.The indices of mean error(ME),root mean square error(RMSE),and normalized RMSE(NRMSE)are then utilized to quantify the accuracy of IGS-GIM products.Results revealed distinct local time and latitudinal dependencies in IGS-GIM errors,with substantially high errors at nighttime(NRMSE:39%)and above 40°latitude(NRMSE:49%).Seasonal differences also emerged,with larger equinoctial deviations(NRMSE:33.5%)compared with summer(20%).A preliminary analysis implied that the irregular assimilation of sparse IGS observations,compounded by China’s distinct geomagnetic topology,may manifest as error variations.These results suggest that modeling based solely on IGS-GIM observations engenders inadequate representations across China and that a thorough examination would proffer the necessary foundation for advancing regional total electron content(TEC)constructions.展开更多
The 19th National Congress of the Communist Party of China （CPC） established Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era as the guiding ideol- ogy of the CPC, marking a new leap forwar...The 19th National Congress of the Communist Party of China （CPC） established Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era as the guiding ideol- ogy of the CPC, marking a new leap forward in synthesizing basic principles of Marxism with China＇s concrete conditions. This Thought enriches and develops scientific socialism, the guiding ideology of the International Communist Movement. With brave new intellectual horizon, it deepens the understanding of the laws governing government by communist parties, construction of socialism and development of human society, occupying an important place of historical significance in the history of development of Marxism and the International Communist Movement. Guided by Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, socialism with Chinese characteristics has made great historical achievements, creating new splendor and helping open new vista for the International Communist Movement.展开更多
The legal confirmation process of women’s human rights has been undergoing great difficulties both in the United Nations and among nations. The Fourth World Conference on Women plays a role in promoting the legal pro...The legal confirmation process of women’s human rights has been undergoing great difficulties both in the United Nations and among nations. The Fourth World Conference on Women plays a role in promoting the legal protection of women’s human rights. Currently, the protection of women’s human rights has undoubtedly become the consensus of both international and domestic law. International conventions on human rights have become an important launching area for promoting international law on women’s human rights, owing to its legal binding force and supervising mechanism established under it. Domestic law has also become the first line of defense for protecting women’s human rights. However, it needs to be pointed out that, for international conventions on human rights and domestic legislation, the cognition and acceptance of social gender conception has not only promoted changes on forms, but, more importantly, on revolution at substantial level.展开更多
基金the National Key R&D Program of China(Grant No.2022YFF0503702)the National Natural Science Foundation of China(Grant Nos.42074186,41831071,42004136,and 42274195)+1 种基金the Natural Science Foundation of Jiangsu Province(Grant No.BK20211036)the Specialized Research Fund for State Key Laboratories,and the University of Science and Technology of China Research Funds of the Double First-Class Initiative(Grant No.YD2080002013).
文摘The global ionosphere maps(GIM)provided by the International GNSS Service(IGS)are extensively utilized for ionospheric morphology monitoring,scientific research,and practical application.Assessing the credibility of GIM products in data-sparse regions is of paramount importance.In this study,measurements from the Crustal Movement Observation Network of China(CMONOC)are leveraged to evaluate the suitability of IGS-GIM products over China region in 2013-2014.The indices of mean error(ME),root mean square error(RMSE),and normalized RMSE(NRMSE)are then utilized to quantify the accuracy of IGS-GIM products.Results revealed distinct local time and latitudinal dependencies in IGS-GIM errors,with substantially high errors at nighttime(NRMSE:39%)and above 40°latitude(NRMSE:49%).Seasonal differences also emerged,with larger equinoctial deviations(NRMSE:33.5%)compared with summer(20%).A preliminary analysis implied that the irregular assimilation of sparse IGS observations,compounded by China’s distinct geomagnetic topology,may manifest as error variations.These results suggest that modeling based solely on IGS-GIM observations engenders inadequate representations across China and that a thorough examination would proffer the necessary foundation for advancing regional total electron content(TEC)constructions.
文摘The 19th National Congress of the Communist Party of China （CPC） established Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era as the guiding ideol- ogy of the CPC, marking a new leap forward in synthesizing basic principles of Marxism with China＇s concrete conditions. This Thought enriches and develops scientific socialism, the guiding ideology of the International Communist Movement. With brave new intellectual horizon, it deepens the understanding of the laws governing government by communist parties, construction of socialism and development of human society, occupying an important place of historical significance in the history of development of Marxism and the International Communist Movement. Guided by Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, socialism with Chinese characteristics has made great historical achievements, creating new splendor and helping open new vista for the International Communist Movement.
文摘The legal confirmation process of women’s human rights has been undergoing great difficulties both in the United Nations and among nations. The Fourth World Conference on Women plays a role in promoting the legal protection of women’s human rights. Currently, the protection of women’s human rights has undoubtedly become the consensus of both international and domestic law. International conventions on human rights have become an important launching area for promoting international law on women’s human rights, owing to its legal binding force and supervising mechanism established under it. Domestic law has also become the first line of defense for protecting women’s human rights. However, it needs to be pointed out that, for international conventions on human rights and domestic legislation, the cognition and acceptance of social gender conception has not only promoted changes on forms, but, more importantly, on revolution at substantial level.
