最大张紧轮振幅要与两端止点留有总行程10%的间隙余量。
Maximum tensioner amplitude leaves 10% of total travel clear to end stop in both directions.
一个中间球笼允许对大约一半的铁路长度的延伸，既创造了总行程的方向。
An intermediate ball-cage allows for extension of approximately half the rail length in both directions creating a total stroke.
根据带时间窗车辆路径问题的实际情况，通过考察车辆数和总行程两个目标函数，给出了该问题的一种新的算法——蜂群算法。
This paper proposed a new algorithm, wasp colony algorithm, for VRPTW through comparing the two target function vehicle number and total distance.
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