There is a very big difference in physics between speed and velocity.
物理中速率和速度的概念,是泾渭分明的。
Pocket bicycles offer minimum speed and velocity on road and thus they can simply be termed as rocket …
袖珍自行车提供最低限度的速度和速度的道路，因此他们可以简单地称为火箭…
The paper brings forward and analyzes the non-dimensional formulas of setover eccentric CAM from the aspects of the travel, displacement, speed and velocity of the moving parts.
提出了偏置式偏心圆凸轮机构从动件的行程、位移、速度、加速度的无量纲表达式，并对其进行分析。
First through a low velocity core, and then through a high velocity shell, where their speed is increased before they are transmitted into the surrounding seawater.
它们首先通过一个低速的核心，然后通过一个高速的外壳，在它们被输送进周围的海水之前，它们的速度提高了。
In addition to the action, the command includes other parameters such as a channel number (0-15), note pitch (0-127) and the speed a key was depressed (velocity).
除了操作之外，这些命令还包括其他参数，例如频道数(0-15)，音符的音调(0 - 127)以及按键的速度(速率)。
Velocity refers to the speed requirement for collecting, processing, and using the data.
速度表示收集、处理和使用数据的速度需求。
And that linear velocity, which, in this case, is really your speed, is of course the circumference of the circle divided by how many seconds it takes to go around.
线速度，在这个例子里，就是速率，是这个圆环的周长，除以走一圈，需要的秒数。
This is the one that will have no speed, and this is the one that we're going to give a velocity.
这个没有速度，而这一个，我们给它一定速度。
If you go much faster, the center of lift moves back on the wing, pushing the nose down and increasing velocity, until you soon approach the speed of sound.
如果飞机飞的太快的话，升力的重心就会从机翼转移到前半部机身上，飞机就会下降，速度会接近音速。
Superhuman mental powers, including his extraordinary sense of hearing and blazing speed-reading, are as vital to Superman as his bullet-beating velocity and steel-bending strength.
超人的精神超能力，包括他拥有的听觉超能力和阅读超能力，就像他拥有的可以躲避子弹的速度和折断钢铁的力量一样至关重要。
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。
The velocity of light is the ultimate speed limit, being part of the very structure of space and time.
作为时空结构的一部分，光速是终极速度极限。
So this has the highest speed, of 100 meters per second and this has a lower speed but this has the lowest velocity.
因此，100m/s是，最高的速率,而之前的那个速率则小些,然而同时，下面这个也是最小速度。
Therefore, cutting the purity of oxygen, volume, velocity, and oxygen flow shape on the gas cutting quality and cutting speed has important implications.
因此，切割氧的纯度、流量、流速和氧流形状对气割质量和切割速度有重要的影响。
However, the flight still managed to return 139 seconds of aerodynamic data at a velocity between 17 and 22 times the speed of sound, Darpa said.
然而，Darpa表示，在以17到22倍音速飞行的状态下，飞机还是回传了139秒的空气动力学数据。
Well, before, the speed is zero and so the momentum is zero. And there comes the bang and one piece flies in this direction with a certain velocity, v2 prime.
在之前，速度为，动量也为0，现在砰响了一声，一片朝这个方向飞，它的速度为v2。
Anchoring "Deep Green" and steering the tethered "kite" enables the turbine to capture energy from the tidal currents at ten times the speed of the actual stream velocity, say Minesto.
Minesto表示，只要控制好这种深海绿色能源，或者是说放好这只“风筝”，人们便能够从这里获取到来自潮汐的能源，而深海里的水流速度往往10倍于海表面。
Conventional acceleration and deceleration control method plans velocity in single segment of machining path, so it can not meet the need for high speed.
传统的段内加减速控制方法由于整体速度偏低，不能适应高速加工的需要。
When the spray plane walks in practice, it needs the same speed between the whole walking machine and the roller 's rotating linear velocity.
该喷灌机在实际喷灌过程中，要求整机行走的速度必须应与滚筒(纹盘)旋转时的线速度同步一致。
The synchronous sensor and velocity sensor for High Speed Rotating- Mirror Streak Camera are described.
论文介绍了高速转镜式条纹相机高性能同步传感器和速度传感器。
It is verified experimentally that both stability of rotating speed and accuracy of linear velocity of this calibrating disk system have achieved or exceeded the desire of designing parameters.
通过试验验证了该校准盘系统的转速稳定性并证明线速精度均达到或优于设计参数的要求；
The control of walking velocity for traditional combine is realized by gear and hydraulic speed variator.
传统的联合收割机行走速度调节是由驾驶人员通过档位和液压无级变速器来实现。
The benchmark rev equipment is designed to provide speed reference for tacho generator's testing, which has high velocity precision, wide speed range and stepless speed adjustment.
高精度转速源是为测速发电机的校准测试提供速度基准的驱动系统，具有转速精度高、调速范围宽及无级平滑调速的特点。
The methods of load balance of moment limiting and speed softening mode under torque control model and velocity mode are put forward.
提出了在转矩模式、速度模式下力矩限幅和速度软化方式的负荷平衡方法。
With the choices of dependant variables and cell face velocity, the convergency speed and computational accuracy of SIMPLE algorithm employed in the computation of complex flows are analyzed.
针对复杂区域中流动计算的SIMPLE算法，在选用不同的速度分量作为求解变量和离散体元的界面速度时，进行了算法收敛速度及收敛准确性的对比分析。
Velocity: the speed and direction of an object, or its rate of change in position.
速度：一个物体运动的方向和速率。或者是在某一位置的变速率。
This controller consists of nonlinear backstepping controllers and a velocity observer to achieve the purpose of speed following.
该控制器包括非线性后推控制器和用来估计转速的转速观测器。
Then the possibility of larger phase velocity and group velocity than light speed in dispersive medium is discussed.
然后从色散介质中相速度与群速度的关系，讨论了相速度和群速度超光速的可能性。
High velocity accuracy, high computation speed and advanced velocity display method are the three aims sought in velocity analysis technique.
提高速度精度、加快计算速度、改善速度的显示方法，一直是人们在速度分析技术上所追求的三个具体目标。
High velocity accuracy, high computation speed and advanced velocity display method are the three aims sought in velocity analysis technique.
提高速度精度、加快计算速度、改善速度的显示方法，一直是人们在速度分析技术上所追求的三个具体目标。
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