Assorting and naming of volcanic rock is mainly based on the content of main petrogenetic mineral.

主要造岩矿物的含量是火山岩分类定名的主要依据。

A, break down an assorting: the engine control circuit breaks down, engine per se fault, other outside fault.

发动机控制电路故障，发动机自身故障，其它外部故障。

If embedding several mature cotton assorting calculation in software, whole cotton assorting system can be formed.

如果在软件中嵌入一些成熟的配棉算法，就可形成一个完整的配棉系统。

Data mining is the core topic of this paper. Basically, it includes associate rule founding, data clustering and data assorting.

数据挖掘是本课题的研究核心，主要包括关联规则发现、数据聚类和数据分类。