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.
区域生态环境敏感性评价制图尺度研究。
The study of the chart measure in the sensitivity evaluation of the regional ecological environment.
因此，在生态环境质量评价过程中权重的计算显得比较重要。
Therefore, it is relatively important to calculate the weight of each part.
因此，在生态环境质量评价过程中权重的计算显得比较重要。
Therefore, it is relatively important to calculate the weight of each part.
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