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- The mass outflow rate minus the mass inflow rate is equal to the time rate of change of mass storage in the parallelepiped. 质量的流出率减去质量的流入率等于贮存在这个平行六面体中的质量的时间变化率。
- The damping force of radiation is a jumpulse of the time rate of change of force. 摘要“辐射阻尼力”是一种力变率的猝量。
- The electromagnetic mass is another effect of the time rate of change of radiant reacting force. 电磁质量是辐射反作用力变率的另一作用效果。
- The material origin of the time rate of change of radiant reacting force is the radiation field. 辐射反作用力变率的物质来源是带电粒子的辐射场。
- Derived the material derivative (time rate of change following the flow in an Eulerian context). Introduced trajectories, streaklines, and streamlines. 推导随体导数（在欧拉架构下的流体的时间变率）。介绍轨迹，纹线以及流线。
- The mass outflow rate minus the mass inflow rate is equal to the time rate of change of mass storage in the parallelepiped . 质量的流出率减去质量的流入率等于贮存在这个平行六面体中的质量的时间变化率。
- time rate of change of acceleration 加速度变化率
- higher order time rate of change of force 高阶力变率
- Social analysts often overrate the rate of change. 社会分析家往往过高估计发生变化的速度。
- The rate of change of velocity with respect to time. 加速度速度相对于时间变化的速率
- All it would do is slow down the rate of change. 所要做的就是降低变化的速度。
- The rate of the machine moved up sharply because of changing a big gear box. 由于换了一个大齿轮箱这台机器的速度大大提高了。
- Yet the rate of change, though exhilarating, was disturbing. 然而变化太快了,固然令人兴奋,也使人不安。
- The mass outflow rate minus the mass inflow rate is equal to the time rate of change of mass storage in the parallelepiped 质量的流出率减去质量的流入率等于贮存在这个平行六面体中的质量的时间变化率。
- The mass.outflow rate minus the mass.inflow rate is equal to the time rate of change of mass.storage in the parallelepiped 质量的流出率减去质量的流入率等于贮存在这个平行六面体中的质量的时间变化率。
- time rate of change of force 力变率
- time rate of change 时间变率
- He can't apprehend the real nature of change. 他不能理解变革的真实性质。
- ADDRESSING AND COMMUNICATION SYSTEM ACCELERATION, The rate of change in velocity with respect to time. 加速度,随时间变化的速度改变率。
- What's the going rate of computer programmers? 计算机程序设计人员的一般工资是多少？
