radius vector
短语[化] 径矢; 矢径
词形变化
radii vectores
复数
radii vectores
radius vectors
radius vectors
复数
释义与例句
n.
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1.
Of a point, a vector going from the origin to that point; equivalently, the transpose of the point.
数学 -
2.
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.
天文