The user can switch the auto power down function on or off, and can also select the time period after which to power down.
用户可以自动关闭电源开关功能或关闭，也可以选择时间段之后断电。
The coupling similar switch, the joint or breaks to the power transmission function, therefore, any form's automobile has the engaging and disengaging gear, is only the form is different.
离合器类似开关，接合或断离动力传递作用，因此，任何形式的汽车都有离合装置，只是形式不同而已。现在，电子技术也进入了离合器系统。
The layout design of the switch mode power supply is optimized through arranging function blocks and pads reasonably.
通过完成电路中的各功能模块和焊盘的合理放置，对开关电源监控电路的版图进行了优化设计。
In the case of a mechanical switch, this circuit would require no external power to implement this function.
在机械开关的情况下，电路不需要外部电源实现这个功能。
As the mechanical switch has no function of automatic locking and returning to zero in power failure, there exists some potential danger when used in places where safety is called for.
机械式电源开关不具备停电自锁和断电回零等功能，在一些特殊的安全要求较高的场所，使用这种开关也存在着一定的安全隐患。
The housing is provided with an operation control panel which is provided with a liquid crystal display screen and a function key as well as a power switch.
外壳上设置有操控面板，操控面板上设置有液晶显示屏和功能按键以及电源开关。
For the purpose of application, the author tabulates the coefficient tables of transition curve of 6th power function and describes emphatically its application to switch-back curves.
为了应用，笔者编制了六次代数式缓和曲线系数表，并着重阐述了它在回头曲线中的应用。
For the purpose of application, the author tabulates the coefficient tables of transition curve of 6th power function and describes emphatically its application to switch-back curves.
为了应用，笔者编制了六次代数式缓和曲线系数表，并着重阐述了它在回头曲线中的应用。
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