How much resistance will there be in that wire to supply your 80-amp, 220-volt outlet? 2.75 ohms. Makes doing your physics homework easier, huh?

有多少抵抗将在该线提供您80安培，220伏的电源插座？ 2.75欧姆。使你的物理功课做更容易，是吧？

youdao

Micropower, quad, single supply, precision Op. Amp.

微功耗，四路，单电源，精密运算。放大器。

youdao

Head-Direct's EF5 Desktop Tube Hybrid Amp ($399) is a two-box affair; one chassis is the power supply, the other is the amp itself.

头领的EF5台式胆石混血耳机放大器（$399）是两箱式组合设计，一个是分体电源，另一个是耳放。

youdao

It has Burr-Brown 2 Channel low-noise Op Amp, ELNA Audio Grade Capacitor and a R-core linear power supply - doesn't mean that much too you?

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