A quite large proportion of communication system broken is caused by power supply fault.

电源故障而导致的通信系统中断占了较大的比例。

youdao

The diesel generator is the stand-by power supply, supplying power for the load if necessary.

同时，柴油发电机作为备用电源，在需要的时候向负荷供电。

youdao

This machine offers three kinds of charging ways: charge by power supply; computer and car battery.

本机提供三种充电方式：分别是主电源充电，计算机充电和汽车充电。

youdao

While your handset can be charged by the tablet power supply, the reverse is not true.

FORBES: The RIM Playbook: An "Evolving Concept"

On the other hand, the supply of dollars is controlled by the Fed, which has the power to increase its supply by a much larger amount.

FORBES: Where Is The Limit For Gold?

Other possible plans include rewarding firms for maintaining stand-by capacity to supply power to the grid in an emergency, and preventing the construction of new coal stations that do not have some way of capturing and storing their planet-heating emissions.

ECONOMIST: Britain can have clean energy or cheap energy, but not both