...act clause hereabove and this additional clause » 合同条款与本附加条款之间的冲突 ecosystem degradation » 生态系统的退化 until today ,i just understand no one be worth of » 直到今天，我才明白没有一个是值得的 ..
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第二章探讨了森林生态系统的退化及其恢复和重建的理论基础。
In chapter 2, the theories of degradation and restoration and rehabilitation of forest ecosystems were discussed.
该流域生态系统服务功能价值的下降与生态系统的退化和面积的减小有关。
It was concluded that the decline in value of ecosystem services in Xilin River Basin was resulted from the degradation of ecosystems and the decrease in area of the natural ecosystems.
本文以废黄河三角洲为例，分析了废黄河三角洲生态系统退化的自然和人为应力以及生态系统的退化过程。
Taking the abandoned delta of Huanghe River as a case, this paper analyzed the natural and artificial driving forces of ecosystem degeneration, with the degeneration course investigated.
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