英语语法分析

One of the differentiating characteristics of engineering database system(EDBS)is the need to handle complex object.

工程数据库管理系统一个不同的特性是要处理复杂对象。

The paper also discusses the structure of EDBS, explains the defects of the loosely-coupled structure, and concludes that it is the closely coupled structure that is of high quality.

讨论了EDBS的结构，叙述了松散耦合结构的不足，认为紧密耦合才是一种性能良好的结构。