er模型 meaning in Chinese

entity-relationship model

Then taking advantage of database er model and restricted chinese language , we can greatly enhance the feasibility of query interface
在自然汉语理解中结合受限汉语和数据库er模型,可大大增强查询接口的可实现性。
The resilience of gnutella network was analyzed , and the result was compared with that of er and eba model . .
分析gnutella网络的网络弹性，包括对于随机攻击的容错性和对于选择性攻击的抗攻击性，并与er模型和eba模型进行了对比。
Database query sentence is used in special field - - database query , so it is one kind of restricted language . and database er model is a good information model
但数据库查询语句是面向特定领域? ?数据库查询,所以数据库查询语句是一个受限汉语,而且数据库er模型是一种很好的信息模型。
This paper first analyzes the property of ship data and points out that we must adopt the international standards , such as ship - step and plib , to set the life - cycle information model of the ship . four kinds of product data exchange methods on internet , such as step file , sdai , database and xml . are discussed
研究了internet环境下的数据交换技术，分析了在internet上的文件、分布式对象、关系数据库和xml等四种step数据交换方法的特点，给出了express模型与关系数据库模型的映射方法，以及产品特性参数库的构造方法和er模型。