短語詞組短語variable speed motion 變速運(yùn)動;不等速運(yùn)動variable rectilinear motion 變速直線運(yùn)動variable decreasing motion 變減速運(yùn)動variable mass motion 變質(zhì)量運(yùn)動variable increasing motion 變加速運(yùn)動uniforn variable rectinear motion 勻變速直線運(yùn)動uniform variable rectilinear motion 叫做勻變速直線運(yùn)動;勻變速直線運(yùn)動variable eed motion 變速運(yùn)動 返回 variable motion