The main design requirement, in this case, is flexible classification and query support, along with the scalability of the repository itself as well as a user-friendly interface.

在这种情况下，主要设计需求是灵活的分类和查询支持以及存储库本身的可伸缩性及用户友好界面。

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The main concept of this design is that in the most case of narrowband network the IP pronunciation technology is reasonably used to transmit voice, character, blank and video.

该系统设计的主要思想是在目前网络带宽大多是窄带的情况下，合理运用IP语音技术来传输语音、文字、白板以及视频。

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Finally, the disassembly hybrid model of modular design of PC's main case is given as case study.

最后，给出了微机主机箱模块化设计的混合图建模的实例。

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