Vending machines, turnstiles and meters will come with embedded systems that will communicate with big computers over the web. 自动售货机、检票口和汽车停放计时器都装有嵌入式系统，通过网络跟大型计算机交流。Passengers are requested to show their tickets at the barrier.旅客需要在检票口出示车票。Will passengers waiting to board please go to the ticket counter?请各位候机的旅客去检票口。The gate will close approximately two minutes before the train leaves.检票口在火车发车前两分钟左右关闭。