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Mutual Influence on Environmental Changes and Human Activities in the Chang Jiang River Valley
长江流域环境变化与人类活动的相互影响
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The investment circumstances and its classification appraisal of Chang Jiang Delta
长江三角洲地区投资环境及其分级评价
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On soil erosion mechanism and process in middle and upper reaches of Chang Jiang River
长江中上游地区土壤侵蚀机制及过程试验研究
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