[化] 径矢; 矢径

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. See
Coordinate, n.
n. An ideal straight line joining the center of an
attracting body with that of a body describing an orbit around it, as a
line joining the sun and a planet or comet, or a planet and its
satellite.

词型变化：名词复数形式 : radius vectors

radius vector的用法和样例：

例句

用作名词(n.)

The radius vector of each solid is always a positive length.每个立体的矢径总是正值长度。

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英语笔译

美联社新闻一分钟 AP 2015-07-16

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发表于:2019-02-15 / 阅读(644) / 评论(0)

乔布斯传

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英语新闻

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binary-coded decimal character code

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