【物理學(xué)】碰撞頻率 fequency: 頻率intermediate fequency: 中頻adapter line fequency: 電源適配器輸入電壓damped natural fequency: 阻尼固有頻率undamping natural fequency: 無阻尼固有頻率下載手機(jī)詞典可隨時隨地查詞查翻譯