the magnitude of a velocity
双语例句原声例句
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Speed is the magnitude of the velocity vector and the speed, therefore, always has a positive value.
速率是速度矢量的大小,因此速率一般，都是正值。
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The magnitude and velocity of the loading have a strong effect on the consolidation velocity, settlement, bearing capacity of ground, construction period and the stability of dam slope.
坝体堆载的大小与速率影响地基土的固结速度、沉降变形、承载力、工期长短以及堤坝的稳定安全性。
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The magnitude of each velocity component and tangential velocity curve changed a lot and the changes were even more obvious along as increasing of the valve lift.
各速度的大小和切向速度分布曲线发生较大变化，并随升程的增大而更加明显；
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take the derivative of this, get the velocity vector and you notice his magnitude is a constant Whichever way you do it, you can then rewrite this as v square over r.
对这个式子求一次导,就能得到速度矢量,你会发现其模长是常数,不管用什么方法,加速度也可以写成 v^2 / r
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