The feature, structure and function of a automatic design system ZZDGS for free forging technique are introduced and treatment of some key problems in systematic development is demonstrated.
介绍了锤上自由锻工艺自动设计系统ZZ DGS的特点、结构及功能，并重点说明了系统开发中几个关键问题的处理方法。
This article expounded the development, systematical structure and core technique of the thermophysical experiment teaching system based on VRML.
阐述了基于VRML的工程热物理虚拟实验教学系统的开发方法、系统结构及关键技术。
Analyzes several key technique and the structure of the entire system and embedded database, see the function and an important role in the development of mobile database.
分析嵌入式移动数据库在嵌入式程序开发中需解决的几个关键技术、整个系统及其嵌入式数据库的结构，可以看出移动数据库在开发过程中的功能和重要作用。
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