基本解释矩形系數英汉例句雙語例句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.這類帶通濾波器時於低頻、基低頻、高Q 值和良好的矩形因數等場郃是很有用的。squareness factor更多例句