串混型SPD是铁路信号系统过电压防护的新用法。
The series mixed SPD is a new method of using for the railroad signal system of over voltage protection.
无线闭塞中心（RBC）是高速铁路信号系统的地面核心子系统。
Radio Block Center (RBC) is the kernel subsystem of the ground system in high-speed railway signaling system.
通过一个开发铁路信号系统的暑期工作，Ted初尝了为现实世界工作的滋味。
A summer job developing railway signalling systems had given him a taste for working in the real world.
RBC系统对实现高速铁路信号系统“运行指挥、安全防护”的功能起着关键作用。
RBC system makes key effect of actualizing the function of "operation commanding, safety protection" in the high-speed railway signaling system.
电动转辙机是铁路信号系统的关键设备，对保障行车安全、提高运输效率具有极其重要的作用。
The electric switch machine is an essential part of the railway signal system and plays an important role in guaranteeing the safety of the trains and promoting the transportation efficiency.
介绍了一个支持现场总线的智能数据采集控制系列模块成功运用于铁路信号系统的远程控制的工程实例。
An engineering sample with intelligent data collection control series modules to support field bus and remote control of railway signal system is introduced.
该系统将可编程控制器用于铁路信号系统中并作为系统的核心控制器，取代了传统的电气集中控制方式，克服了其系统庞大，可靠性低的缺点。
This system USES PLC in railway signal system as the core controller and it replaces the additional electric centralized control mode, overcomes the disadvantages such as hugeness, low reliability.
和利时与日立公司的合作关系要更长些。从2005年起，日立就向和利时提供高速铁路信号系统的零部件。和利时说它也是从那年起开始从事高铁信号系统业务的。
Hollysys had a longer relationship with Hitachi, which supplied the Chinese company components for high-speed rail signaling starting in 2005, the year Hollysys says it got its start in the business.
和利时与日立公司的合作关系要更长些。从2005年起，日立就向和利时提供高速铁路信号系统的零部件。和利时说它也是从那年起开始从事高铁信号系统业务的。
Hollysys had a longer relationship with Hitachi, which supplied the Chinese company components for high-speed rail signaling starting in 2005, the year Hollysys says it got its start in the business.
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