With the train speed up, open time for maintenance becomes shorter, which makes signaling equipment maintenance work to fewer opening check and more patrolling check. The patrolling work of signaling devices becomes more and more important.
另外,随着列车行驶速度加快,天窗维护时间变短,使得信号设备维护工作时要多巡视少开箱,信号设备的巡检工作变得尤为重要。
参考来源 - 铁路信号设备巡检管理信息系统的设计与实现·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
Guards can be seen patrolling everywhere.
到处都能见到保安人员在巡逻。
A police sergeant patrolling the area spotted flames at the shop.
在该地区巡逻的一名警官发现那家商店失火了。
He said his deputies needed it for protection while patrolling desolate areas where drug and immigrant smugglers have been spotted.
VOA: standard.2010.07.20
And it was a fine programme exceppt it was not the right programme for the Afghanistan that need thousands of ordinary policeman patrolling the country and doing things.
项目本身不错,但是并不适合阿富汗本身,因为阿富汗需要的是成千上万的普通警察在不停地巡视,工作。
The U.S.Navy and the navies of dozens of other countries are patrolling the narrow waterway to deter ship hijackings-for-ransom by pirate gangs.
VOA: standard.2010.01.07
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