... instantaneous reaction rate 瞬时反应速率 instantaneous velocity 瞬时速度 instruction 指示, 用法说明(书), 教育, 指导, 指令 ...
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instantaneous velocity center 瞬时速度中心 ; 速度瞬心
instantaneous velocity of reaction [物化] 瞬时反应速度
instantaneous center of velocity 速度瞬心 ; 瞬时速度中心
instantaneous angular velocity 瞬时角速度
instantaneous velocity centre 瞬心
instantaneous velocity field 瞬态流场
instantaneous velocity ratio 瞬时传动比
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So that's the definition of v, instantaneous velocity.
这些就是v的定义,也就是瞬时速度。
The characteristics of the acceleration of the instantaneous velocity center (IVC) were presented, and the trajectory equation for pure rolling of rigid body (PRORB) was developed.
分析了瞬心的加速度特性,建立了刚体平面纯滚动的轨迹方程。
At any point on the graph you can take the derivative, which will be tangent to the curve at each point, and its numerical value will be what you can call the instantaneous velocity of that point and you can take the derivative over the derivative and call it the acceleration.
在图上的任意一点,你可以进行求导,得到曲线上每一点的切线斜率,所得到的数值,即为该点处的瞬时速度,然后你再求一次导,得出它的加速度
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