A new method to fuse searching radar and infrared sensor and to implement track maintenance in clutter was developed.

探讨融合搜索雷达和红外警戒系统目标航迹跟踪的新方法。

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The author suggests a new system to do track maintenance and repair work separately on Datong-Qinhuangdao Railway Line.

建议大秦铁路线路养护维修工作试行养修分离新体制。

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The large track maintenance machines were used in the railway engineering construction of replacement for ballast on the Guangzhou-Maoming railway line.

文章介绍了有关在广州-茂名铁路运用大型养路机械进行更换石碴施工的技术和经验。

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Instead he called for a special technical inquiry into track maintenance and metal fatigue.

BBC: Rail inquiry report due on Friday

The court was told a coupler which had been attached to the broken-down track maintenance wagon broke, allowing it to detach from the train which was pulling it.

BBC: Runaway Tube train: Operators fined ?300,000

But even with a measure of success, it must know that the stories that will still predominate are more likely to be about imploding casualty departments and shoddy track maintenance than barely perceptible amelioration.

ECONOMIST: Bagehot