「radius vector」を英語から日本語に翻訳する

動径, どうけいは、「radius vector」を英語から日本語に変換したものです。

radius vector noun 文法

A straight line (or the length of such line) connecting any point, as of a curve, with a fixed point, or pole, round which the straight line turns, and to which it serves to refer the successive points of a curve, in a system of polar coordinates. [..]

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