相对速度，指的是以非地面参照系为参照物（例如空气）所测量的速度。运动是绝对的，静止是相对的，宇宙间所有的物体都在运动。我们说某物体静止，一定是指它相对于某个参照物是静止的。
网络释义专业释义
双语例句原声例句
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但是从他最初超我车时的相对速度来判断，我不敢肯定。
But judging by our relative speeds when he'd originally passed by, I'm not so sure.
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结合群众的相对速度测量，可以计算出它们的质量直接明星。
Combining the measured velocity with the relative masses, they can calculate the mass of the star directly.
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我们问，“测算球的相对速度和角度，判断白球到球袋的距离以及最后的位置呢？
we asked. 'Measuring the relative speed and angles of the balls, the distances to the pocket and final placement of the white ball?'
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But things which were at rest will move at a constant velocity, opposite of the velocity that you have relative to me.
这些静止的东西都在匀速运动,方向正好跟你相对我运动的速度方向相反
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In particular, the things that I say are at rest, you will say are moving backwards at the velocity that you have relative to me.
特别是那些在我看来是静止的物体,在你看来却在后退,后退的速度等于我们之间的相对速度
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That'll say the velocity of the object with respect to the ground, the velocity of the object with respect to the plane, the velocity of the plane with respect to the ground.
可以得到物体相对于地面的速度,物体相对于平面的速度,物体相对于地面的速度
应用推荐
$firstVoiceSent
- 来自原声例句