1、
山地生态系统的退化不仅是一个生态问题, 也是一个经济问题.
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2、
At present, regional poverty and ecological degradation form a vicious circle.
目前, 区域贫困和生态环境退化已形成了恶性循环.
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3、
The best biological degradation ecological condition was obtained through orthogonality experiment.
通过正交试验得出了生物修复的最佳降解生态条件.
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4、
Ecological degradation mainly includes degradation of terrestrial and aquatic ecosystems.
生态退化主要包括陆地生态系统和水域生态系统的退化.
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