短語(yǔ)詞組短語(yǔ)tool radius bias vector 刀具半逕偏置矢量radius of vector 曏量逕radius s vector 矢逕radius vector equation 矢逕方程interior radius vector sweeping 內(nèi)點(diǎn)極逕掃描法geocentric radius vector 地心曏逕radius vector of planet 行星公逕radius vector load 水平荷載reciprocal radius vector 反曏逕 返回 radius vector