So that's the definition of v, instantaneous velocity.
这些就是v的定义，也就是瞬时速度。
In addition, the instantaneous velocity is calculated, and its influencing factors are analyzed.
另外，还分析了排气孔口瞬时速度的影响因素，对瞬时速度进行了计算。
The dynamic vibration of hydraulic system is characteristic of instantaneous velocity, pressure and its oscillation.
液压系统动力学振动程度可用瞬时速度、压力和压力脉动描述其特性。
And now you will understand how we define the instantaneous velocity at time t which is different from an average velocity between two time intervals.
现在明白了吗，t时刻，的瞬时速度是怎样定义的，与两时刻间的平均速度相比，瞬时速度并不一样。
After optimization, the cutting Angle and the difference between the instantaneous velocity and the average velocity in the cutting area of the shear are decreased.
优化后，在剪切区，剪刃剪切倾角和连杆水平速度均匀性两项指标均有所提高。
On the basis of Newton's second Law, a motion differential equation has been put forward, by which a formula to calculating instantaneous velocity has been obtained.
依据牛顿第二定律列出运动微分方程序，解方程序并求得计算瞬时速度的公式。
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。
Though experiment the idea velocity of cartooning balanced emulation has been educed, instantaneous movement rule of capping in capping device, crank rocker mechanism has been emulated also.
通过试验，得到了装盒平稳模拟的理想速度，找到了盖盖装置中盖盖瞬时的运动规律，并对其曲柄摇杆机构进行了模拟。
Meanwhile, instantaneous information on conventional stack power can be involved in measuring function simultaneously as calculation of velocity spectrum can be conducted sample by sample.
同时，由于速度谱的计算可以逐个样点进行，因此，度量函数中可同时包含常规叠加能量的瞬时信息。
The velocity change of instantaneous negative pressure wave along the pipeline is analyzed when hot oil is transported. Two searching methods are applied to locate leakage through numerical integral.
分析了热油输送管道沿程瞬态负压波传播速度的变化，采取两种搜索方法数值积分求解泄漏点位置。
There from it is used to obtain the principles of the angular of momentum of the system of particles with respect to its cenier of mass and instantaneous center of velocity.
采用简捷的方法推导质点系相对于任意动点的动量矩定理，并由此引出质点系相对于质心的动量矩定理和质点系相对于速度瞬心的动量矩定理。
The instantaneous moving mode of sand mass is divided into 4 types, namely: rolling, jumping, suspending, and running away, when the wind speed reaches the threshold velocity of sand-driving wind.
文章研究将沙粒在风速达到沙粒的起动风速时沙粒的瞬间起动方式分为4种，即：滚动、跳跃、悬浮和飞扬4种。
In accodance with kinetic energy theorem, this paper presents an angular mo- mentum theorem of velocity instantaneous centre axis. This theorem is a simple and convenient scalar equation.
从动能定理出发，推导出一个对速度瞬心轴的角动量定理，它是一个简便的标量方程。
Based on the model test, the instantaneous concentration and velocity images in different temperatures and scales are put forwarded. And the range, shape and trend of diffusion are acquired.
本文结合模型试验，得出了不同温升及变率下表面横向浮射流的瞬时浓度场和流速场，进而分析得出随着温度及变率的变化浓度场的扩散范围、形态特点和趋势。
The results showed that instantaneous bat swing velocity statistically increased for group 1 (7.1%), group 2 (7.8%), and group 3 (6.6%) after 8 weeks of training.
结果显示，在经过8周的训练后，瞬时挥棒的速度从统计数字的增长上看第1组有7.1%，第2组有7.8%，第3组有6.6%。
This paper proposes a technique for on line detection of cylinder-to-cylinder nonuniformity and incipient misfire by instantaneous angular velocity signals in automotive engines.
提出一种利用瞬时转速信号在线监测汽车发动机各缸工作不均匀性和失火故障的方法。
The results show that, the velocity and instantaneous flow rate distribution of second order fluid with variable coefficients differ greatly from the ones of the power-law fluid;
对比分析结果显示，变系数二阶流体和幂律流体在速度分布和瞬时流量分布上都有较大的差异；
The simulation gives a detailed quantitative picture of the velocity field, pressure distribution and instantaneous mass flow rate within the manifold.
数值模拟定量给出了多分支管道内详细的速度矢量场，压力样梯度场及各分支管道的质量流量变化曲线。
This paper analyzes the flow pulsation in a compound gear pump with 2-idlers, derives formulae for calculating displacement, average flow velocity, instantaneous flow and pulsation flow.
讨论了二从动轮式复合齿轮泵的结构原理，导出了排量、平均流量、瞬时流量和流量脉动率的计算公式。
Based on the theorem for the composition of velocities in theoretical mechanics, the author gives out the demonstration of the theorem of three instantaneous centers of velocity in general conditions.
本文运用理论力学中运动学的速度合成定理，给出了一般情况下平面机构运动三心定理的求证过程。
Instantaneous center of rotation-velocity vector method is the integration of instantaneous center of rotation analysis and velocity vector method.
将瞬心分析与速度矢量法相结合的瞬心—速度矢量法较转化机构法更为清晰、明了、直观。
Moreover, the use of additional resistance worn on the forearm while swinging a baseball bat did not contribute to further increases in instantaneous bat swing velocity and batted-ball velocity.
纵观这些有助于提高击球速度的因素，力量教练要用具备的科学研究信息去帮助棒球或垒球运动员增强其击球速度制定抗阻训练方案。
Moreover, the use of additional resistance worn on the forearm while swinging a baseball bat did not contribute to further increases in instantaneous bat swing velocity and batted-ball velocity.
纵观这些有助于提高击球速度的因素，力量教练要用具备的科学研究信息去帮助棒球或垒球运动员增强其击球速度制定抗阻训练方案。
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