设计的最高时速是250公里。这些列车已被广泛应用于大城市，如北京、上海、苏州、深圳和广州。
The designed top speed is 250km/h. These trains have been widely used for main city, such as Beijing, Shanghai, Suzhou and Shenzhen, Guangzhou.
此次调查主要通过电话、电子邮件、传真以及面对面的形式进行，调查地点包括北京、上海、广州和武汉四个城市。
Interviews were carried out over the telephone, via E-mail or fax or face to face in four cities including Beijing, Shanghai, Guangzhou and Wuhan.
两人马上意识到转卖二手车的市场潜力，迅速和北京、上海、广州、深圳的二手车市场建立了联系。
The two then realized the economic potential in selling second-hand cars, establishing contacts in the used car markets in Beijing, Shanghai, Hangzhou and Shenzhen.
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