freight train density 货物列车密度
train kilometre density 列车公里密度
train traffic density 列车运营密度
passenger density list for train 列车旅客密度表
The paper hence suggested that to achieve transportation task for year 2000, China rail way should actively increase in train density while raising traction load of trains.
提出为完成2000年的运输任务，今后在大力增加列车牵引重量的同时，还应积极加大列车密度。
The paper expounds the transportation load of China railways, and reviewed the position and role of increasing train operation density in raising transport capacity.
分析了我国铁路的负荷情况，回顾了加大列车密度在提高铁路运输能力中的地位和作用。
As the speed increases, the traditional train control system can not meet the requirement of the high speed railway and high density safe operation.
随着车速的提高，传统的列车控制系统已不能满足高速铁路高速度、高密度安全运行的要求。
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