1) major-minor sorting
主副分类
2) Master and slave units
主副分机
3) separate the principal work from side work
主副业分离
1.
It is indicated that in the initial stages water supply enterprises should devote major efforts to developing the diversified economy, and after its management is soundly, it should separate the principal work from side work timely.
指出在供水企业发展的初期要大力鼓励和发展多种经营 ,当供水企业经营状况比较完善后 ,要积极搞好主副业分
4) subject classification
主题分类
1.
Design and Implementation of Subject Classification Expert System Based on Text Mining;
基于文本挖掘的主题分类专家系统的设计和实现
2.
As an important retrieval tool for mathematics science, mathematical reviews in its mathematics subject classification 2000 added a main class, that was "Mathematics Education".
作为数学领域一种最重要的检索工具──《数学评论》，在2000年的主题分类中增加了“数学教育”这一大类，方便了数学教育文献的检索。
3.
As the popularity of search engine’s technology, people would like to quickly get the information they need among the topics which they interest in, thus there comes a new trend which conducts search engine’s service to subject classification.
在搜索引擎技术日益普及的今天,人们希望从自己感兴趣的主题内快速地检索所需的信息,因此主题分类检索成为搜索引擎发展的一个新方向。
5) classification of the main body
主体分类
6) the classification method based on principle component analysis
主成分分类
1.
In this paper,with the classification method based on principle component analysis,we studied the issue on classification of China\'s inbound tourism.
主成分分类与一般聚类分析相比,具有成果丰富直观,便于分析理解等特点。
补充资料：白银有色金属公司深部铜矿主井和副井
白银有色金属公司深部铜矿主井和副井
白银有色金属公司深部铜矿主井和副井
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条