常見(jiàn)例句雙語(yǔ)例句These filters are very useful where frequencies are lower, very low; the quality factor Q is very high and the squareness factor is very good.這類帶通濾波器時(shí)于低頻、基低頻、高Q 值和良好的矩形因數(shù)等場(chǎng)合是很有用的。 返回 squareness factor