Acceleration and velocity are both vectors.
加速度和速度都是矢量。
Jaguars can move with an astonishing velocity.
美洲豹跑起来速度惊人。
I mean, that's the whole point of escape velocity, right?
我的意思是，这是逃逸速度的全部意义所在，不是吗？
Once you have started the boulder rolling, it develops momentum, which is defined by its mass and velocity.
一旦你开始让巨石滚动，巨石就会产生动量，这是由其质量和速度决定的。
Simply stated, a gas molecule can "evaporate" from a planet if it reaches a speed known as the escape velocity.
简单地说，如果气体分子达到逃逸速度，它就能从一颗行星上“蒸发”。
Finally, scientists measure the star's wobble due to the planet's gravitational tug, known as the radial velocity.
最后，科学家测量了由于行星的引力拖拉而产生的恒星摆动，这就是径向速度。
To criticize it for such failure is roughly comparable to criticizing a thermometer for not measuring wind velocity.
批评它的失败，就犹如批评温度计不测风速一样。
Responding to changes in the CF echo's frequency, bats of some species correct in flight for the direction and velocity of their moving prey.
有些种类的蝙蝠会根据回声频率的变化来调整向猎物移动的方向和速度。
They are the radius of the orbit, the energy of the system and the velocity of the electron, and I am just going to present you the solutions.
它们是轨道的半径，系统的能量以及电子的速度，我接下来给你们展示解法。
Wind velocity also increases with altitude and may cause serious stress for trees, as is made evident by the deformed shapes at high altitudes.
风速也随着海拔高度的增加而增加，可能给树木带来严重的压力，这从高海拔地区的变形就可以看出来。
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。
Escape velocity is simply the speed of an object that's shot out of a cannon the minimum initial speed so that the object could later escape Earth's gravity on its own.
逃逸速度就是一个物体的速度，比如说，从加农炮中射出的最小初始速度，这样这个物体以后就可以自己脱离地球的引力。
So we are burning up an enormous amount of fuel at every launch just to get the rocket up to what's known as escape velocity.
所以每一次发射我们都要耗费大量的燃料来让火箭达到所谓的“逃逸速度”。
On constant volume hoods, this raises the capture velocity.
在定容罩上，这会提高捕获速度。
This deficiency can be dealt with using the Velocity Verlet algorithm.
这个缺陷可以用维尔莱速度算法处理。
The temperature field and velocity field inside springhouse was numerically simulated.
对冷藏室内的温度场和速度场进行了数值模拟。
The 3D velocity fields in the furnaces' arch area for a conventional stock boiler were measured by the hot wire aerometer.
通过热线式气压计测量了常规储备锅炉的炉拱区域中的3D速度场。
Velocity squared is the speed.
速度的平方为速率。
你拥有一定的速度。
OK, so that's the velocity vector.
好，这就是速度矢量。
它有一个速度。
Clearly, here the velocity is zero.
显然，这里的速度就是。
You see then the critical velocity.
下面是临界速度。
All right, what is the velocity here?
那么这里的速度是什么呢？
What is the velocity of this particle?
那么粒子的速度又是多少？
Thus, velocity is the team's capacity.
因此，团队的能力决定了速度。
这是它的速度。
速度是什么呢？
给它一个初速度。
Don't confuse it with angular velocity.
不要把它，和角速度混淆。
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