The "black box" recorder on a train that derailed in Australia injuring more than 100 passengers this week showed it was travelling at almost twice the speed limit when the accident occurred.

11月17日，澳大利亚警方找到了于16日在澳大利亚昆士兰州发生脱轨倾覆事故的一高速列车上的黑匣子。 黑匣子记录表明，事故发生时，列车的行驶速度几乎超过限制时速的两倍。

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This can help train your upper speed-limit reading speeds.

这可以练习提高你的阅读上限。

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It is necessary to predict the aerodynamic load on buildings near the track due to high speed train passage for designing these buildings and determining their limit.

列车风载是临近高速铁路建筑物设计和确定相关建筑限界必须考虑的重要问题。

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On the eve of Thanksgiving, several days before the World Trade Center line reopened, Mr. Lejda and a colleague walked through the river tube, he said, hanging up speed limit signs in the tunnels, since the train operators would be without the lighted signals that usually signal when and where to slow down.

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