生态效益评价
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forest ecological benefit evaluation 森林生态效益评价
evaluation of ecological benefit 生态效益评价
ecological benefit increment evaluation 生态效益增量评估
·2,447,543篇论文数据，部分数据来源于NoteExpress
The ecological construction and benefit evaluation of Yanji City were sketched.
简述了延吉市生态建设的概况及效益评价。
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