The system operator has three main functions : transfer (inter-regional and international transit), process control and balance of the electric power system.
系统操作器有三大主要功能：传送（地区间和国际中转）、程控和电力系统平衡。
Siemens has been awarded the contracts of supplying signalling systems, train control and propulsion system for Guang-Fo line, China's first intercity mass transit line.
西门子已得到合同，为中国首条城际地铁线路——广佛线提供信号系统，列车控制及牵引系统。
This paper analyzes the intelligent transit passenger service system from onboard unit, platform service and control center, and introduces the database design for platform touch-screen query system.
本文从车载、站台以及控制中心三方面分析了智能公交乘客信息服务系统，重点介绍了站台触摸屏公交查询系统中数据库的设计。
应用推荐