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不间断电源 bù jiànduàn diànyuán
auto.	uninterruptable power supply
avia.	uninterruptable uninterrupted power supply
IT	uninterruptible power supply
railw.	uninterrupted power supply; UPS
space	uninterrupted power source; uninterrupted power supply
tech.	uninterruptable power system
telecom.	uninterruptible power supply system; uninterrupted power supply system
不间断电源当交流输人电源的变化〈包括电压变化、频率变化及波形失真等〉超出规定范围时,仍能正常地继续向负载输送能量的供电设备。不间断电源主要由换能、储能和传输等部分构成。用于各种微型计算机供电系统和计算机联网系统中，在通信等领域也有广泛的应用 bù jiànduàn diànyuán
expl.	uninterrupted power supply
不间断供电电源
tech.	uninterrupted power supply

不间 断电 源: 20 phrases in 9 subjects

Aviation	4
Electronics	3
Information technology	4
Nautical	2
Project management	2
Steel production	1
Telecommunications	1
United Nations	2
Wind Energy	1