基于灰色系统理论和矢量投影原理，建立了区域生态环境评价的灰色关联投影模型。
A grey relation projection model for regional eco-environmental quality evaluation is established based on grey system theory and vector projection principle.
介绍了目前国内外几种主要电磁暂态计算方法。对贝杰龙法和空间矢量法作了重点的介绍和评价。
Some transient computation methods presently used, particularly the methods of Begeron and space phasor components are introduced and evaluated in this paper.
在对目前环境质量评价中流行评价方法系统分析的基础上，提出了一种新的环境质量评价方法，矢量算子法。
This paper deals with a systematical analysis on the common methods for environmental quality assessment and a new method suggested for environmental quality assessment, called Vector-Operator.
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