Based on the design of the college-town section of the Guangzhou metro line 4, the optimal scheme design on the metro radio dispatching communication system is introduced.
结合广州地铁4号线大学城专线段设计，对地铁专用无线通信系统的方案优化进行了介绍。
Considering the practical engineering of Guangzhou Metro Line 3 and Line 4, the intelligent low voltage distribution system is briefly introduced.
结合广州地铁3、4号线工程实例，介绍智能低压系统的设计和应用。
The references of Trainguard MT in China include Guangzhou Metro line 4 and 5, as well as the recent order from Beijing line 10 and the Olympic Branch line.
TrainguardMT在中国的应用例子则有：广州地铁4号线及5号线，以及最近来自北京地铁10号线及奥运支线的订单。
A Chebeinan bound Guangzhou Metro Line 4 train departs from Higher Education Mega Center North Station.
往车陂南的广州地铁四号线列车开出大学城北站。
A Chebeinan bound Guangzhou Metro Line 4 train departs from Higher Education Mega Center North Station.
往车陂南的广州地铁四号线列车开出大学城北站。
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