加速度的方向与合力的方向相同。
The direction of the acceleration is the direction of the net force.
在太空中，计算机被用来控制宇宙飞船的速度和方向。
In space, computers have been used to control the speed and direction of a spaceship.
这些节点可以从地面的振动测量出车辆的速度和方向。
They were able to measure the speed and direction of vehicles from ground vibrations.
尽管方向是明确的，但速度却不明确。
如果有一只鸟转变了方向或改变的速度，那么其他所有的鸟都跟了一起变。
If any one bird turned and changed speed, so would all the others.
但请看加速度，却是+2，方向是这样的。
But there is the acceleration which is plus two in this direction.
对于x，y，或z三个方向的速度。
那y方向上,0时刻的加速度是多少？
我们银河系相对于几个邻近星系的的位置、速度和方向也很重要。
Our galaxy's position, speed and direction relative to several neighboring galaxies is also important.
在每个方向有不同速度使它得到了不对称的招牌。
The different speed for each direction gives it the asymmetric label.
脉冲作用方向对脉冲作用点的速度波影响很大。
It is shown that impulse direction has a great effect on velocity wave.
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。
Velocity: the speed and direction of an object, or its rate of change in position.
无速度传感器技术的研究是一个很重要的方向。
The study on speed sensorless is an important research field.
在相同航迹角航行情况下，水平方向速度随净浮力的增大而增大。
And the more excess mass the faster speed is at the same track angle.
讨论了加速度与受力、运动方向之间的关系。
The relationship among acceleration, force and the motion direction is discussed.
时间之箭是关于方向的，而不是关于速度的。
The arrow of time is about a direction, but it's not about a speed.
“我们人民”决定它行驶的方向、路线与速度。
And we decide where it should go, and by what route, and how fast.
接近和离开时尽量要慢，避免突然改变速度和方向的。
Approach and leave slowly, avoiding sudden changes in speed or direction.
挡板的速度会影响球的速度和方向吗？
Does the speed of the paddle influence the ball speed and direction?
易于使用的把手提供了方向，深度和速度控制。
The easy to use handlebars offer control over direction, depth, and speed.
尤其是破裂速度的大小和方向对烈度分布的影响更大。
Particularly, the rupture velocity and rupture direction would have more effect.
独木船的加速度方向如何？
增长告诉我们经济运行的速度，而不是方向。
Growth tells us about the speed of the economic 'vehicle' not its direction.
宇航员用电脑控制宇宙飞船的速度和方向，甚至控制其内部的温度。
Astronauts use computers to control the speed and direction of their spaceships, even the temperature.
在风的情况(场合)下，观测不但(应)包括方向，而且还(应)包括速度。
In the case of wind, observation involves both speed as well as direction.
在风的情况(场合)下，观测不但(应)包括方向，而且还(应)包括速度。
In the case of wind, observation involves both speed as well as direction.
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