速率保持不变，但速度矢量会发生变化。
The speed is not changing, but the velocity vector is changing.
就是我们所说的速度矢量。
因此我们叫它速度矢量。
好，这就是速度矢量。
速度矢量表现出顺时针涡旋转动。
并且这个平面包含了原点和动点，以及速度矢量。
And, that's the plane that contains the origin, the point, and the velocity vector.
速率是速度矢量的大小,因此速率一般，都是正值。
Speed is the magnitude of the velocity vector and the speed, therefore, always has a positive value.
分析速度矢量。可以分析可能的模具腐蚀。
Analysis of the velocity vectors. Possible mold erosion can be studied.
也许我们可以这样理解，看，我说过速度矢量有模长和方向。
So, maybe if I actually stated directly that way, see, I'm just saying the velocity vector has a length and a direction.
采用速度矢量场的方法可以确定出环核结构分界。
The interface of core-annulus flow may be determined with the particle velocity vector fields.
沿速度矢量的旋转角速度用于旋转天平试验数据。
The rotative speed along speed vector is used for test data of rotary balance.
所以记住移动的量△,约等于v*△,这是用速度矢量的定义。
r So, let's remember that the amount by which we moved, t delta r, is approximately equal to v times delta t, OK, and just using the definition of a velocity vector.
要促使速度矢量，产生如此的变化，所需的加速度，总是指向圆心。
This acceleration that is necessary to make the change in the velocity vector is always pointing towards the center of the circle.
只是不停留跑道的角度通过速度矢量…或你会很英镑，它。
Just don't fixate on the view of the runway through that velocity vector... or you'll really pound it on.
将速度矢量引入到目标运动模型，从而能更好地描述机动目标。
The velocity vector is introduced into the model describing target motion, which depicts the target moving more precisely.
预报了颗粒的浓度场分布及液滴、颗粒和气相场的速度矢量分布。
The velocity of each phase, as well as the concentration distribution of particles are predicted by model calculations.
如果你看一下任何时刻运动时的，位置矢量和速度矢量，它们决定了某个平面。
So, if you just look at the position vector, and the velocity vector for any motion at any given time, then together, they determine some plane.
因此即使速率不变，也就是说速度矢量的的大小不变，但它的方向可以做旋转。
So, even if the speed is constant, that means, even if a length of the velocity vector stays the same, the velocity vector can still rotate.
并通过建立数理模型，数值求解，得到各个离散节点上的速度矢量。
The mathematical model was established and it was calculated by numerical method, the speed vectors on each dispersed point was obtained.
运用矢量法建立机构的位移矢量方程，推导出速度、加速度矢量方程。
Establish displacement vector equation of mechanism using vector method to infer the speed and the acceleration vector equation.
利用声辐射阻力矩阵和振动面上的速度矢量预报了结构声辐射的总功率。
The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure.
此理论的核心内容是传热率和速度矢量与温度梯度的点积值的对应关系。
The core content of the theory is the correspondence between the thermal performance and the integral of the dot product of the velocity and the temperature gradient.
绘制了速度矢量分布图，和流函数，涡量，两个分速度及压强的等值线分布图。
The diagram of distribution of speed arrow, constant lines of flow-stream function, vortex, two speed parts and pressure were studied.
利用远场时变散斑空-时强度相关函致的有限差商可以测量散射体运动的二维速度矢量。
By using backward difference of space-time intensity correlation function with respect to time delay, the two-dimensional velocity vector of a moving diffuser can be measured.
该式不仅含速度矢量与温度梯度矢量的点积项，还含有速度矢量与压力梯度矢量的点积项。
This expression not only contains the term of dot product of velocity vector and temperature gradient, but also contains the dot product of velocity vector and the pressure gradient.
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。
Instantaneous center of rotation-velocity vector method is the integration of instantaneous center of rotation analysis and velocity vector method.
一方面，采用腕部速度矢量在操作臂关节空间极小最小二乘分解的方法规划操作臂关节速度。
In one hand, the manipulator positioning is achieved by decomposing the track velocity vector in joint space with minimal least square method.
并基于粒子密度的分类对图像做相关分析并得到流体速度矢量分布图，取得了良好的实验结果。
Then liquid velocity vector picture has been drawn which based on sorting the density of particles in this paper.
流场横截面内的速度矢量分布与相同实验条件下的流态显示结果相符合，并对涡流场加以分析。
The obtained velocity vector distribution in the measured plane coincided with the flow visualization results under the same test condition. In addition these vortex flow field was analysed.
流场横截面内的速度矢量分布与相同实验条件下的流态显示结果相符合，并对涡流场加以分析。
The obtained velocity vector distribution in the measured plane coincided with the flow visualization results under the same test condition. In addition these vortex flow field was analysed.
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