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苏联以发展灌溉为主要目的而从西伯利亚北方的主要河流向南方调水的计划蕴酿已久,做过不少工作。二十年来,一直在研究各种调水方案,但不同的意见争论激烈。专家们从其对环境的长期影响出发持
The plan of the Soviet Union to divert water from the main rivers in the northern part of Siberia to the south mainly for the purpose of developing irrigation has been brewing for a long time and has done a lot of work. Over the past two decades, various water diversion programs have been studied, but different opinions have been highly debated. Experts hold their long-term impact on the environment