conceptual hierarchy

基本解释

This paper introduces the development history, basic concepts and functions of Customer Relationship Management (CRM), focusing on its conceptual hierarchy.
本文介绍了CRM系统技术产生背景、发展过程，探讨了CRM系统的基本概念和功能，其中着重说明了CRM的概念层次。
A hierarchy conceptual model of the armor protection of engineer equipment was constructed and the method of analyzing and calculating its cost and effectiveness was proposed.
构建了工程装备战场防护的层次概念模型，提出了一种装备战场防护费用和防护效果的分析计算方法。
In the implementation of data classifier, we describe extraction and management of conceptual hierarchy for data, also design an automatic extraction algorithm for numeric data .
然后，在数据分类器的实现中，论述了数据的概念层次提取和管理，并对数值型数据给出了一个自动提取概念层次算法；