目前中国城市道路交通控制系统基本上是引用scoot、SCAT等国外开发的系统，这些系统皆是建立在机动车为主的道路交通条件基础之上的被动型控制系统。

AT present, our city's traffic control system are always using some foreign developed system, like SCOOT, SCAT etc., which are all developed on the base of vehicle-centered traffic condition.

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道路交通信号控制机是城市道路交通信号控制系统中的重要设备。

Road traffic signal controller is an important device in urban traffic signal control system.

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城市交通控制系统(utcs)和城市交通诱导系统(utgs)是智能交通系统(its)对道路交通进行在线实时管理的核心部分。

UTCS (urban traffic Control System) and UTGS (urban traffic Guidance System) are the core parts of ITS (Intelligence Transportation System) in the Real-time management of urban traffic.

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城市交通控制系统(utcs)和城市交通诱导系统(utgs)是智能交通系统(its)对道路交通进行在线实时管理的核心部分。

UTCS (urban traffic Control System) and UTGS (urban traffic Guidance System) are the core parts of ITS (Intelligence Transportation System) in the Real-time management of urban traffic.

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