所以，建立农业生态环境评价的专家系统是很必要的。

So it is necessary to set up an expert system on evaluation of agric-ecological environment.

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分析了城市生态系统的功能，讨论了城市生态环境评价的概念和内涵。

The function of city ecosystem is analyzed, and the conception about urban ecological environment evaluation is discussed.

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最后本文对万科水晶城的环境规划与生态环境评价体系进行了分析与总结。

Finally, Vanke Crystal City on the environmental planning and evaluation system of ecological environment are analyzed and summarized.

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