The software package can simulate the calculation of ventilation network and the adjustment of the air flow, then display the simulation result on the simulator diagram directly.

该软件包能对通风系统进行风网解算模拟和风量调节模拟，能把模拟结果形象直观地显示在通风系统模拟图上。

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Analyzed the factors and difficulties in train operation adjustment system, drew work flow diagram and data flow diagram of train operation adjustment.

分析列车运行调整系统的各个环节及调整的主要问题，并对列车运行调整工作流程和数据流程进行分析。

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The system is simplified. But it still can be one good assistant to the preparation and adjustment of train diagram.

该系统尽管对实际情况进行了简化处理，但其功能仍然适用于单线区段运行图的计算机辅助编制工作。

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