系统还配有图形和数据的双向转化功能，可以和现有的多种有限元分析系统或者用户的结构分析系统对接。
Bidirectional data conversion of model drawing and data file is supplied, and it can communicate with many finite element system or user programmed system.
IM 用户必须登录的状态指示器系统需要更多基础结构。
The presence indicator systems that IM users must log into required more infrastructure.
服务器获取该用户完整的PAC结构进行授权。
The server pulls in the user's completed PAC structure for authorization.
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