The design goal and method of the software for traction calculation and operation schematic diagram of trains are introduced.
介绍了列车牵引计算及操纵示意图计算机软件的设计目标和方法。
The paper describes the major significance, guiding ideology, general objectives, main features and operation plan of passenger and freight trains of the train working diagram of 1997.
阐述了1997年列车运行图编制的重大意义、指导思想、总体目标、几项原则、主要特点，以及客货列车的开行方案。
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