Components matching depends on precisely describing the semantics of components, and formal specification is based on strict mathematic concept and theory.
构件匹配依靠精确描述构件的语义，而形式规格说明基于严格的数学概念和理论。
We mainly studed the selecting direction of the spider based on the concept lattice and the matching between the queries and the document.
本文还研究了概念格的语义匹配算法在网络爬虫的智能爬行方向的选择方面的重要作用。
Three Top-Down color design mode were proposed. They are each based on freely matching colors, color harmony theory and concept color scheme database.
提出了基于自由配色、基于色彩调和理论和基于概念色彩方案库的三种自顶向下色彩设计模式。
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