Three Gorges Project——key to harness and develop Yangtze River

(整期优先)网络出版时间:1992-03-13
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TheupperYangtzeupstreamofYichangwithadrainageareaof1,000,000km~2bringsanaverageannualrunofftoYichangby450km~3ofriverwater,thedrasticvariationandunevendistributionofwhichoftencausesseverefloodsforfer-tilealluvialplainsofmiddleandlowerYang-