In this dissertation, it also makes qualitative and quantitative evaluation on the three major benefits (ecology, economic and social ones) of forestry in the urban ecology environment construction.
本文对林业在城市生态环境建设中的三大效益进行了定性与定量的评价。
And the forestry ecology construction is the main body of the ecological environment construction.
而林业生态建设又是生态环境建设的主体。
And the forestry ecology construction is the main body of the ecological environment construction.
而林业生态建设又是生态环境建设的主体。
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