发车频率 meaning in English

departure frequency

Optimal model of urban bus frequency
城市公交车发车频率优化模型
Bi - level programming model for optimizing bus frequencies and its algorithm
公交线路发车频率优化的双层规划模型及其解法
Analysis on optimal service frequency of public transport considered with generalised cost
基于广义成本的公共交通最优发车频率分析
The result shows that , without the effect of externalities , the two optimal service frequency is the same
证明了在不考虑外部性效应的情况下,该两种公共交通最优发车频率是相同的。
Preliminary studies suggest that friction free ultraspeed vehicles could operate as frequently as every 10 minutes and could achieve the following approximate journey times : london to birmingham - 30 minutes
最初的研究建议，无摩擦的ultraspeed车辆的发车频率可以为10分钟，以下路程大致所用的时间分别为：

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