The natural gas accounts for low proportion of domestic energy consumption and is mostly used as industrial fuel and city gas and in chemical industry and power station.
天然气在能源消费中所占比重较低，主要用于化工、工业燃料、城市燃气及发电。
Finally, this paper studies the problem of the selection of overtaking station and the proportion of train interval by computor simulation of train graph making on Shanghai urban rail transit line.
并以上海某市域快速轨道交通线为例，通过计算机仿真铺画列车运行图的方法，对开行快慢车后越行地点的选择以及列车始发的均衡性问题进行了分析研究。
On terms that the fixed operating time remains invariant, the increase of the non-resorting train proportion will exert a positive influence on the carrying capacity of technical station.
在固定作业时间不变的条件下，无调列车比提高对技术站通过能力产生正面影响。
On terms that the fixed operating time remains invariant, the increase of the non-resorting train proportion will exert a positive influence on the carrying capacity of technical station.
在固定作业时间不变的条件下，无调列车比提高对技术站通过能力产生正面影响。
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