It protects PCB from power surges from external power supply.
它从电源保护电路板由外部电源浪涌。
I told her laptop external power supply will disconnect the battery and removed it.
我告诉她将笔记本电脑外接电源断开并将它的电池取掉。
Note that as long as the external power supply is active, the GND pin may not be floating.
注意，只要外部电源提供是活跃的，GND别针可能不漂浮。
In the absence of external power supply, the storage can take advantage of gravity on its own shutdown.
在没有外来电源的情况下，能利用重力蓄能自行关机。
The special feature of the demonstrator is that the sensing elements have no need of an external power supply.
这种演示装置的特点在于，其传感器件不需要外部电源。
The motor for telescopic movement and the cutting motor are both connected with an external power supply.
所述的伸缩用电机以及切割电机均与外部电源连接。
If you want to use the charger without having to provide an external power supply, use the following circuit.
如果你想使用，而不必提供一个外接电源，充电器使用下面的电路。
The descriptor is used by USB devices to indicate how many connections it possesses and whether it has an external power supply.
这些描述被USB设备用来指示它拥有多少连接，以及是否有外部电源支持。
In the nearer term we see the exoskeleton working on logistics applications where it can be tethered to an external power supply.
在较近期我们看到了外骨骼工作物流应用中，它可以被拴在外部电源。
After repeated calculations, relying on photovoltaic power generation devices, the building itself without the help of external power supply.
经过反复测算，依靠光伏发电装置，建筑本身正常运转无需借助于外部供电。
External power supply after the inspection did not find any problems, remove the external power supply, indicator light does not make computers.
检查外接电源后，没有发现什么问题，去掉外接电源，也不能使电脑指示灯亮。
The box cover is provided with a temperature control system, in the constant temperature box rear drain valve and an external power supply socket.
箱盖上有控温系统，在恒温箱的后部是排水阀及外接电源插座。
The external power supply simplifies maintenance in the event of a power supply failure and its compact design saves space and ensures silent operation.
简化了外部电源供应故障维修事件中的权力和紧凑的设计节省了空间，并确保安静运行。
Small Dimensions, lightweight; Wide frequency range; Operation status LEDs; Low-battery warning; Internal or external power supply; Suitable for filed test.
尺寸小，重量轻，频率范围宽；具有电池电压欠压和工作状态指示；可内，外供电方式；非常适合于现场和无外接电源时的使用；
In the system, USB external power supply and Lithium batteries are used to provide power supply. The whole circuit is compact in structure and perfect in function.
该系统设计采用US B外接电源和锂离子电池供电，整个电路结构紧凑，功能完善。
Original high-quality and reasonable pneumatic air route design, coupons hot compressed air pressure control work, no external power supply, k work safety is stable and reliable.
采用优质气动原件及合理的气路设计，券压缩空气控制压烫工作，无需外接电源，工作稳定可靠安全。
The invention has not external power supply, can safely, quickly and technically eliminate oil static, having low production cost, simple structure, easy installment and wide application.
本发明无外加电源，具有安全、快速、科学消除油品静电的特点，且发明造价低，结构简单，安装方便，易于推广。
Providing an on-board power supply is difficult, however, so he is investigating the use of external magnetic fields to power the device.
然而，倘若板载动力装置很难实现的话，他正在研究利用外部磁场给器件提供动力的途径。
It introduces the design of solar and external power parallel supply system on mountain microwave station.
介绍了山上微波站太阳能与外接电源并行供电系统的设计。
When enterprise power supply system becomes isolated after fault occurred, the best method is finding a suitable grid-connected point to connect with external power grid to maintain stable.
大型工业企业供电网的部分电力负荷由自备电厂供应，外部电网构成了企业供电系统的可靠后备。
The integrated service evaluation system included power supply service quality's external overall evaluation system, specific business evaluation system and internal support evaluation system.
供电服务外部总体测评应用客户满意度测评理论，建立了适合我国供电企业的客户满意度模型及客户满意度评价指标体系；
Through analyzed electricity market operation state about internal and external, This paper mainly studied the electricity market problem of the Three Gorges power power supply rang.
本文通过分析国内、国外电力市场运行状况，对三峡电站供电区电力市场问题进行了研究。
Low-voltage alarm, with interface connected to external emergency power supply.
低压告警，具有外接应急电电源接口。
The competition nowadays turns to between supply chains other than just single enterprises, and external customer demands are the power source for the supply chain.
现代的竞争已转变为供应链与供应链之间的竞争，外部客户需求是供应链赖以生存的源动力。
The 12v dry cell is used to replace an external power transformer for power supply, which can not be affected by commercial power supply.
用12V干电池取代外置电源变压器供电从而不受市电供电的影响。
The 12v dry cell is used to replace an external power transformer for power supply, which can not be affected by commercial power supply.
用12V干电池取代外置电源变压器供电从而不受市电供电的影响。
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