My first two years as a guard I was working at the control center as an operator where the entire emergency calls and electronic alarms are received.

当警卫的头两年我在控制中心做接线员，所有的紧急呼叫和电子警报都会接到那。

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In the event of an emergency, passengers riding on the subway trains are able to contact the control center through the wireless intercom devices installed on every carriage.

在紧急情况下，乘坐地铁列车的乘客可以通过安装在每节车厢里的无线对讲设备与控制中心联系。

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This paper presents an emergency call center system. The kernel software of the system is designed based on a finite-state machine, featuring with clear control structure effective program code.

文章介绍了一种面向应急救援的呼叫中心系统，其核心软件基于有限状态机理论设计而成，具有控制结构清晰、程序代码简洁高效等特点。

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Call the Center for Disease Control Emergency Response at (770) 488-7100 for answers to any questions.

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This is the Emergency Operations Center at the Centers for Disease Control and Prevention, which has ramped up its resources to tackle swine flu, a new disease that experts say may evolve into a global pandemic.

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