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That would mean that the speed would be 180 m / s or 400 mph .

那意味着飞机的速度就是180米/秒，也就是400英里/小时。

The car will use jet fighter tyres for " slow " ( 250 mph ) tests

猎犬号汽车将使用喷气式战斗机轮胎进行慢速（250英里/小时）测试

Our nationwide education programme continues to grow , with student groups fascinated by the design of a 1000 mph car .

伴随着学生团体对设计速度1000英里/小时汽车的着迷，全国范围内的教育项目持续增长。

In 1965 , when the 70 mph limit was set , few vehicles were able to maintain a faster speed .

在1965年70英里/小时限速标准制定之时，几乎没有汽车能够达到高于限速标准更快的速度。

Their main complaint , however , is that one amtrak passenger train at 110 mph will remove the capacity to run six freight trains in any corridor .

然而他们抱怨最大的是时速110英里/小时的美铁客运列车运营在任何一条铁路线上都将损失6辆货运列车的运力。