提出用标度表示大气污染物分指数和大气环境质量综合指数新概念。
New concepts of the scale partial index of air pollutants and the scale integrated index of air environmental quality are suggested.
本文首先采用灰色系统评价方法、空气污染综合指数等方法对中国西部河谷型城市大气、地表水、噪声环境质量进行了客观评价。
The grey system assessment method, air pollution integrated index are applied to evaluate the atmosphere, surface water, noise environmental quality of valley cities in western China.
应用rs和GIS技术，采用综合指数评价法，对全疆区域各县市生态环境质量及其动态变化进行了系统的综合评价和对比分析。
Using the comprehensive evaluation index method, the paper makes a dynamic evaluation and ordination of eco-environmental quality of all county in Xinjiang by taking RS and GIS technologies.
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