We are looking for the 500VA and 1000VA UPS,quantity around

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We are looking for the 500VA and 1000VA UPS,quantity around 1000pcs.
And also 500VA and 1000VA AVR,quantity around 5000pcs
这两句话中 UPS和AVR 请问怎么翻译?是什么东西?

UPS的汉语意思为“不间断电源”,是英语“Uninterruptable Power Supply”的缩写,UPS它可以保障计算机系统在停电之后继续工作一段时间以使用户能够紧急存盘,避免数据丢失.
AVR的汉语意思是稳压电源,是“Automatic Voltage Regulation”的英文缩写,AVR是电压自动调整的意思,即UPS针对输入的电压透过内部输出变压器的线圈匝数调整或电力电子组件处理,达到UPS拥有宽广的市电输入范围与稳定的输出电压特性.

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