Project time management in communication engineering design is introduced in detail, and critical points on drawing engineering network diagram are presented.
介绍了通信工程设计中项目时间管理的组成及实施方法，并结合工程实际详细说明了网络图的绘制要点。
Management system of engineering drawing is a basic research subject with theoretical significance and wide engineering application prospect.
工程图纸管理系统是一个具有重要理论研究意义和广阔工业应用背景的基础性研究课题。
Develops a CAD system for type 25 series railroad cars, with the system, we can automatically carry out scheme design, technical design, working drawing design and engineering database management.
研制了系列化25型铁路客车CAD系统，利用该系统能够对25型铁路客车自动进行方案设计、技术设计、施工设计和工程数据库的管理等工作。
Develops a CAD system for type 25 series railroad cars, with the system, we can automatically carry out scheme design, technical design, working drawing design and engineering database management.
研制了系列化25型铁路客车CAD系统，利用该系统能够对25型铁路客车自动进行方案设计、技术设计、施工设计和工程数据库的管理等工作。
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