The existing empirical correlation based on straight duct can not predict well the length of shock train in bend duct due to their distinct difference in shock train length.

另外，鉴于弯曲管道与直管道内激波串长度之间的明显差异，已有的基于直管道的激波串长度经验公式不能很好地适用于弯曲管道。

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With a length of over 35 miles, the world's longest train tunnel should become operational at the end of 2017.

这个隧道全长35英里，是世界上最长的火车山体隧道，预计将在2017年年底通车。

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There certainly were tears in his when, at length, having watched the train out of sight, he turned round.

而最终当他目送列车驶出视线，转过身时，他眼里也噙满了泪。

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Barbara Buono, the presumed Democratic nominee for governor, shook hands and distributed campaign buttons along the length of the train.

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At length, the train begins to pass clusters of houses, building up gradually into the centre of Bergen, where it comes to rest under the vast cylindrical glass roof of the main railway station.

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The train is nearly nine feet in length.

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