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radius vector

/ˈreɪdiəs ˈvektər/

翻译: 数学术语,指从固定原点或中心点指向空间中某一点的线段或向量;常用于几何学、物理学和天文学中描述相对于参考点的位置。

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phrase

C1formalcommonscientific/ˈreɪdiəs ˈvektər/

A mathematical term referring to a line segment or vector that extends from a fixed origin or center point to a given point in space, often used in geometry, physics, and astronomy to describe position relative to a reference point.

  • 🇨🇳数学术语,指从固定原点或中心点指向空间中某一点的线段或向量;常用于几何学、物理学和天文学中描述相对于参考点的位置。
  1. Position vector in polar coordinates C2 formal

    A line segment or vector that connects the origin of a coordinate system to a point in space, used especially in polar, cylindrical, and spherical coordinate systems.

    • The radius vector of the planet changes as it moves along its elliptical orbit.
    • In polar coordinates, the radius vector defines the distance from the origin to the point.
    • The astronomer calculated the radius vector to determine the satellite's position.

    🇨🇳极坐标中的位置向量