Use a 5v external power supply.

使用一个5 V外部电源。

youdao

Work without external power, energy saving.

工作时不需外界动力，节省能源。

youdao

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。

youdao

We have the compelling, official authority of the new state licenser, and Milton pits that external state of power against the powers of reason and against the powers of conscience that, of course, were seen to govern human action from within -- an internalized authority.

我们有新政府的出版控制者的强迫的官方统治，弥尔顿陷入了外在的政府权力和推理的力量,以及良心的力量的对立，当然，被认为是从内化的统治约束人类行动。

耶鲁公开课 - 弥尔顿课程节选

Stations should be able to run for a minimum of 48hrs without external power.

UNESCO: Social and Human Sciences

The router can be powered through a USB connection or external power adapter, both included with the device.

ENGADGET: TP-Link Portable 3G Wireless N Router fits in your pocket, draws power from USB

An external power supply is included with the unit, however Forte can also operate as a USB powered interface.

ENGADGET: Focusrite launches Forte, 24-bit / 192kHz portable audio interface (video)