短語詞組短語wind speed daily variation 風速日變化Speed d Variation 激活粒子速度的隨機變化absolute speed variation 絕對轉(zhuǎn)速變動stepless speed variation 無級調(diào)速speed variation test 這速試驗;變速試驗percentage speed variation 速度變化率maximum momentary speed variation 瞬時最大速度變化率;最大瞬時轉(zhuǎn)速變化率infinite speed variation 無級調(diào)速speed variation control 變速控制 返回 speed variation