短語詞組短語velocity feature vector 速度特征矢量leading centre velocity poynting vector 引導中心速度velocity -vector measuring system 速度矢量測量系統(tǒng)wind velocity vector 風速曏量angle of velocity vector 航速矢量角normal velocity vector [數(shù)]法速曏量instantaneous velocity vector 肯時速度曏量rolling about velocity vector 繞速度矢量鏇轉(zhuǎn)velocity vector model 速度矢量模型 返回 velocity vector