上海的轨道交通网络建设快速，目前已经有一条高速磁悬浮铁路和五条轨道交通线路运行通车。
The rail traffic network in Shanghai has been undergoing a rapid construction. At present, one maglev train and five railway traffic routes have been put into operation.
结合目前线路巡视的特点和存在的问题，提出了送电线路“状态巡视法”，建立新的送电线路运行管理机制。
Combined with characteristics and problems of transmission line patrol, state inspection was proposed to build up new operation management mechanism.
论述了目前电气化铁道计算机继电保护系统在运行中如何利用计算机对其外部二次线路进行监控的问题，能提高计算机继电保护智能化的程度。
The computer protection system in the electrified railway can use computers to supervise and control its external secondary wiring, which improves the intelligence of computer protection.
目前，16和32通道DWDM设备已经在我国东部沿海发达地区多条业务繁忙线路上投入运行。
Presently, 16 and 32 channels DWDM equipment has been adopted on several busy lines in the eastern-coast economic dynamic area of China.
目前，16和32通道DWDM设备已经在我国东部沿海发达地区多条业务繁忙线路上投入运行。
Presently, 16 and 32 channels DWDM equipment has been adopted on several busy lines in the eastern-coast economic dynamic area of China.
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