tool radius bias vector刀具半径偏置矢量
radius s vector矢径
radius of vector向量径
radius vector equation矢径方程
interior radius vector sweeping内点极径扫描法
geocentric radius vector地心向径
radius vector of planet行星公径
radius vector load水平荷载
reciprocal radius vector反向径
N（名词） a line joining a point in space to the origin of polar or spherical coordinates 向量径 [maths]