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1·Use a 5v external power supply.

使用一个5 V外部电源。

2·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。

3·The earthquake destroyed the external power supply of the nuclear reactor.

地震摧毁了核反应堆的外部供电。

4·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。

5·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。

6·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。

7·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。

8·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。

9·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。

10·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。