柴（汽）油发电机组、UPS和低压配电屏的安装应遵照电信电源规范进行。

Chai (Vapor) oil-fired units. UPS and low-voltage power distribution panels to be installed in accordance with the norms of telecommunications power.

youdao

在19世纪晚期，欧洲和美国的电气化进程开始将蓄电池大规模用于电信技术、便携式电灯系统和后备电源。

The electrification of Europe and America in the late 19th century sparked the use of storage batteries for telegraphy, portable electric-lighting systems and back-up power.

youdao

直到最近环境无线电波才格外受到重视成为一种潜在的电源，这是因为广播电台的无线电信号发电随着距离的增加而锐减。

Ambient radio waves have largely been ignored as a potential power source until recently, because the power of a broadcast radio signal rapidly decreases with distance.

youdao