radius vector

基本解釋

The radius vector of each solid is always a positive length .
每個立體的矢徑總是正值長度。
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Making use of the moment vector and radius vector of rotation, the lateral buckling of thin-walled members are analyzed.
以彎矩矢量和轉角向徑為工具，分析了薄壁構件的彎扭屈曲。
With the help of the simple mathematical method, another transformation formula of coordinates and time between the radius vector equations in inertial frames is derived in the paper.
本文運用簡單的數(shù)學方法推導出慣性系矢徑方程的另一種坐標和時間變換式。