为使系统具有良好的通用性和可扩展性，提出了一种基于积件思想和网络数据库技术的教学系统结构模型，阐述了系统的结构特点。
In order to get the characteristics of common ability and expansibility, a structure model of network teaching system based on integral ware and web database are presented.
由此提出了改造优化第二代媒体和筹建积件库的设想。
The idea of improving the second generation media and building integral ware libraries is presented.
由此提出了改造优化第二代媒体和筹建积件库的设想。
The idea of improving the second generation media and building integral ware libraries is presented.
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