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南水北调西线工程规划总调水170亿m3.其中,从通天河调水80亿m3,雅砻江调水65亿m3,大渡河调水25亿m3,并分三期实施.调水减少了'......
统治拉美乃至世界已有一个多世纪的卡尔沃主义,并非普遍认为的已经“死亡”。近来在拉丁美洲内外的一系列事件表明卡尔沃主义没有死......
We perform a statistical analysis of data from the Mars Atmosphere and Volatile Evolution (MAVEN) project on the global ......
Evolution trend of the water quality in Dongping Lakeafter South-North Water Transfer Project in Chi
To investigate the evolution trend of water quality in Dongping Lake after South-North Water Transfer Project operation ......