The transistor, when fully saturated, could turn a circuit on or off, and then could be used to control an electrical circuit or store information in an electrical circuit.

当该晶体管时完全饱和，能把一个电路打开或关闭，然后可用于控制一个电路的工作，或者将信息存储在一个电路。

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Introduce using alternating contactor automatic control circuit to control the generator which are power on of powering off and stoping to ensure, the generator room to supply electricity safely.

介绍利用交流接触器自制控制电路来控制发电机的停电自动启动和来电自动停车，以确保机房供电安全。

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The paper provides us with the idea of using photoelectricity reflective on-off switch to control alarm circuit with the characteristics of high sensitivity and favourable concealment.

利用反射式光电开关的电路的通断来控制报警电路，有灵敏度高、隐蔽性好的特点。

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Everything, all of the electronics on the vehicle itself, every component had its own solid-state circuit breaker so that we could turn things on and off, and control what was happening.

ENGADGET: Art Thompson, Red Bull Stratos' technical project director, talks circuit breakers, wind shear and biomedical data