一个利用电池供电来运行的世界也有其自身的风险。

A battery-powered world comes with its own risks, too.

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“利用这些信息，中心的工作人员可以控制车站的灯光和温度、监测列车的运行和处理紧急情况。”来自中铁北京局集团的朱殿平说。

"With the information, the workers in the center can control the stations' lighting and temperature, monitor trains' operation and deal with emergencies," said Zhu Dianping, from CR Beiing.

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一旦应用程序启动并运行，内存利用就将受到系统需要的对象的数量和大小的影响。

Once an application is up and running, memory utilization is affected by the number and size of objects the system requires.

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