Because the grammar is a kind generative rule of language, and is a tool to explain the grammar.
因为文法是一种语言的生成规则，是阐明语法的一个工具。
The generative rule of arbitrary N-rank K-regular simple graph is studied, and the method of recursively generating arbitrary N-rank K-regular graph from the simple complete graph is put forward.
研究了任意N阶k正则简单图的生成法则，提出了由简单完全图递归生成任意N阶k正则图的方法。
To solve the problem of composite part design, through application of generative knowledge representation based on rule, a knowledge based system for composite part design was developed.
针对复合材料构件设计中所存在的问题，应用基于规则的产生式知识表达，设计和建立了飞机复合材料构件的设计知识库系统。
To solve the problem of composite part design, through application of generative knowledge representation based on rule, a knowledge based system for composite part design was developed.
针对复合材料构件设计中所存在的问题，应用基于规则的产生式知识表达，设计和建立了飞机复合材料构件的设计知识库系统。
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