radius vector   (TTS Sound)

The radius_vector has 2 Senses.

• radius vector
• 動径
• a line connecting a satellite to the center of the body around which it is rotating
• 本体の中心とその周りを回転する付随体を結ぶ直線

• radius vector
• 動径
• a line connecting a point in space to the origin of a polar coordinate system
• 空間のある点と極座標の原点を結んだ線