单词 | direction of motion |
释义 | DEFINITIVE EXAMPLES 权威例句〔attitude〕The orientation of a spacecraft relative to its direction of motion.飞行姿态:宇宙飞船相对于其飞行方向所处的位置美国传统〔differential〕Involving differences in speed or direction of motion.差动的:涉及速度或运动方向不同美国传统〔idle wheel〕A gear, wheel, or roller interposed between two similar parts to convey motion from one to the other without change in speed or direction of motion.惰轮,空转轮:位于两个相似部分之间,把运动不改变速度和方向地从一个传到另一个的齿轮、轮子或转轴美国传统〔velocity〕Abbr. VPhysics A vector quantity whose magnitude is a body's speed and whose direction is the body's direction of motion.缩写 V【物理学】 速度:一种向量,其量值为物体的速率,其方向为物体运动的方向美国传统 |
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