Electric vehicles are not new,
电动车并不是什么新事物
but the scale of implementation is.
但是大规模推行电动车却是史无前例的
Three thousand buses operatethroughout the city.
三千辆电动公交穿梭于整个城市
All are controlled from a central computer,
由一台中心电脑操控
under the command of Yan Guangxian.
闫光贤同志全权指挥整个运行网络