无功的 reactive
[电] wattless
profitless
[电] idle
- 有源电力滤波器是一种用于动态抑制谐波,补偿无功的新型电力电子装置。
Active power filter is a new power electronic plant restraining harmonic and compensating reactive power. - 有源电力滤波器是一种用于动态抑制谐波,补偿无功的新型电力电子装置。
The active power filter is a new kind of the power electronic plant restraining harmonic and compensating reactive power. - 夏皮罗先生还亲自揭穿了一个人们一直信以为真的骗局——有劳无功的莎氏搜寻史中又增添了一个骗局。
Mr Shapiro himself turns sleuth, exposing as fraudulent a piece of evidence long thought to be genuine—one more hoax in the long history of Shakespearean wild goose chases.