The information of fishing ports evaluation was incomplete, and relation of indexes was ambiguous, so fishing ports evaluation was a Grey System.
渔港评估由于信息不完全，关系不明确，可视为一灰色系统。
A grey relation projection model for regional eco-environmental quality evaluation is established based on grey system theory and vector projection principle.
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。
Using grey system theory, the author applied grey relation degree to optimize plan and provide theory basis through the quantitative and the qualitative analysis.
现应用灰色系统理论，把定量分析与定性分析结合起来，用灰关联度来评价方案的优劣，为优选方案提供理论依据。
Analysis of Grey Relation, which is one of important segment in "the Theory of Grey System", is accepted gradually by more and more sport researchers.
作为“灰色系统理论”的重要组成部分。灰色关联分析逐渐被越来越多的体育工作者所接受。
Analysis of Grey Relation, which is one of important segment in "the Theory of Grey System", is accepted gradually by more and more sport researchers.
作为“灰色系统理论”的重要组成部分。灰色关联分析逐渐被越来越多的体育工作者所接受。
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