This text introduced the basic concept and modeling process of a semantic object model, and compared it with E-R model.

简要介绍了语义对象模型的几个基本概念，并与E - R模型作比较。

youdao

This paper makes an E-R model for the comprehensive vulnerability analysis model, and establishes IMS vulnerability knowledge base.

并对脆弱性综合分析模型进行了E-R建模，建立了脆弱性知识库。

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After the analysis of system function and business, this paper designs the database E-R model and logical data model of this system.

在分析了系统业务和功能之后，设计了系统数据库的E - R模型及逻辑数据库模型。

youdao

That was Cartesian space. When I plot r as a distance out from the nucleus that is sort of our simple-minded planetary model. Now let's look at energy.

笛卡尔坐标系，当我用r表示,离原子核的距离时，那只是我们头脑中简单的,类似行星的模型，现在我们看一下能量问题。

麻省理工公开课 - 固态化学导论课程节选

We had the worst experiences with Ricoh's Media Master MP-6200S, a CD-RW drive, and MicroNet's Master CD Plus 4X12PC, a CD-R model.

CNN: IDG.net - Recordable and rewritable CD drives: Permanent, portable storage

"This will be an innovation as important as the creation of the limited partnership model back in the 1970s, " says Ted R.

FORBES: Day Care

Sales of the R-Class have been sluggish ever since its introduction for the 2006 model year.

FORBES: 2012 Mercedes-Benz R350 Bluetec 4Matic