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？
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。
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。
The water absorption velocity of fluff slurry determines the performance of sanitary towel series products directly.
绒毛浆的吸水速度直接决定了卫生巾系列产品的性能。
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。
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。
你拥有一定的速度。
v It has a certain velocity v.
具有一定的速度。
OK, so that's the velocity vector.
好，这就是速度矢量。
它有一个速度。
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？
There is a sudden change in velocity.
速度突然发生变化。
What is the velocity of this particle?
那么粒子的速度又是多少？
速度是什么呢？
这是它的速度。
给它一个初速度。
Nothing like a little force and velocity!
没想到一点点的速度和力气还真管用了！
Defect arrival rates or testing velocity.
缺陷出现率或者测试速度。
And this velocity is in meters per second.
这里速度是米每秒。
And so, that's called the velocity vector.
因此我们叫它速度矢量。
Another example comes from velocity fields.
另一个例子——速度场。
If I push softly, the velocity will be low.
我若轻轻推，速度就比较小。
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