Based on the gray assembles, the trapezium gray analysis is presented, and it is applied to environmental quality assessment.
以灰色聚类为基础，提出了梯形灰色聚类分析法，并将其应用于环境质量评价之中。
Based on the gray assembles, the trapezium gray analysis is presented, and it is applied to environmental quality assessment.
以灰色聚类为基础，提出了梯形灰色聚类分析法，并将其应用于环境质量评价之中。
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