純正弦電流simplesinusoidalquantity: 正弦量simpleshearingflow: 簡(jiǎn)單剪流切simplest: 最簡(jiǎn)單的simpleshear: 單剪simplest formula: 最簡(jiǎn)式下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯