自动更新系统模块由三个子模块组成：文件版本管理模块、文件传输服务器模块和接受文件模块。

The automatic update system includes document version management module, document transmission sever module and the client module that accepts document transmission.

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设备管理系统模型增加的配置文件模块解决了流程控制结构不清晰和实时响应性，使得流程更加明确、能更好控制导航；

The config file modules solves the problem of unclear process control structure and improves real time response, it makes process more clear, better supports controlling of navigation.

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系统主要由读取数据文件模块、NURBS曲线生成模块、曲面构造模块、参数化修改模块、数据转换模块以及用户界面组成。

The system is mainly composed of file module of reading data, creation module of NURBS curve, surface construction module, parameterization modifying module, data conversion module and user interface.

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