He pulls out a special device, points it at the suspect, and switches it on.

他拿出一个特殊的装置，对准嫌疑人打开开关。

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The concept of network control was extended to let digital switches communicate with databases (known as Service Control Points) and signal processing systems (Intelligent Peripherals).

网络控制的概念被扩展到了让数字交换机与数据库（称为服务控制点）和信号处理系统（智能外设）通信。

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The article discusses about the proper selection of static relay test points through introducing the contactor sketch of rectifying static relays with digital dial switches and easy-happening faults.

通过对静态继电器整定用数字拨盘开关接点转换示意图和易发生的故障介绍，初步探讨了静态继电器的测试点的合理选择方法。

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Centralized switches can monitor several thousand points receiving Wi-Fi signals over several buildings, checking laptops and other devices for viruses and quarantining infected machines.

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And this path is littered with poorly configured routers, out of date switches, satellites blocked by storm systems and access points that offer limited access.

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