As a index, the comprehensive air environmental quality assessment is important for a city. Modified osculating method does well to the assessment.
大气环境质量综合评价是一个城市环境质量考核的重要指标，改进的密切值法是其中一种切实可行的评价方法。
The osculating value method can change the multi index to the single comprehensive value.
将多指标转化为单一综合值，这是密切值法的最大功能。
The modified osculating value method is applied in the lake eutrophication.
将改进后的密切值法应用于湖泊富营养化评价中。
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