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美国杜克大学的研究人员调查发现:半个多世纪以来,花费了巨额经费,投入了大量人力的500多处人工森林中,有13%在形成一年多后,吸干了附近的河流,影响
Researchers at Duke University in the United States found that 13% of the more than 500 artificial forests that spent a great deal of manpower and spent a great deal of manpower have dried up nearby rivers after more than a year. influences