常見(jiàn)例句雙語(yǔ)例句The bi-directional zero-crossing means is present to reduce the zero drift error.採(cǎi)用了雙曏過(guò)零平均鋻相法作爲(wèi)減小零點(diǎn)漂移誤差的辦法； 返回 zero-drift error