At the base of system function division, emphatically elaborated the channel connection management model and the data transmission model.
在系统功能划分的基础上，着重阐述了通信系统中通道连接管理模型和数据传输模型。
This paper explains the data management base software, LCIVF of life cycle detailed list analysis from function, structure and realize.
对研制的生命周期清单分析数据管理库软件LCIVF，从功能、结构及实现方面进行了全面阐述；
The applied program with modular design has the function of downloading data from the electronic filed book directly, pre-processing, data base management and so on.
系统程序采用模块化结构，具有直接与外业观测电子手簿连接下传原始观测资料、预处理和数据库管理等功能，实现了测量内外业的一体化。
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