在伦敦，他们在地下铁路系统的朱比里线中的一条隧道布置了传感器，用以监测隧道内的排水量，温度和湿度。
And in London they deployed sensors to monitor displacement, temperature and humidity in a tunnel on the Jubilee Line of the Underground rail system.
介绍了为青藏铁路研制的高原轨道车总体布置、性能及结构特点，并对试验和运用情况进行了总结。
The general arrangement, performances and structural characteristics of the plateau railway car for Qinghai-Tibet Railway are presented. Meanwhile, the test and operating condition are described.
基于京沪线多年的研究成果，介绍了高速铁路桥梁的若干设计理念及设计原则和常用梁型的选定及其桥跨布置。
Based on the research achievements of Jinghu Railway Line in recent years, some concepts and principles of bridge design are introduced, and the usual type and arrangement of bridge are described.
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