So, you might think acceleration is just the derivative of speed.
你们可能认为，加速度只是速度的导数。
The acceleration is positive if the speed is increased, negative if speed is decreased.
速度增加的加速度为正加速度，速度减少的加速度为负加速度。
While in the acceleration lane, increase your speed to match that of freeway traffic.
在加速车道行驶时，要增加车速至同高速上车辆相适合。
And, you know acceleration means either change of speed or change of direction.
你知道加速度意味着，不是改变速度就是改变方向。
Do you want to emphasize speed and acceleration?
你强调的是速度和加速性能吗？
No finesse, no gimmicks. Just raw speed and pure acceleration.
这里，没有手段，没有诡计，只有惊人的速度和纯粹的加速度。
For a sprinter, speed and acceleration are important.
对短跑运动员来说，速度和加速能力是重要的。
Because here you don't have the top, top speed, but you have tremendous acceleration.
因为你在这里无法发挥出极速，但却拥有惊世骇俗的加速能力。
To improve the driving performance: the engine easier to start, speed smooth, good acceleration.
改善行驶性能：发动机容易启动，转速平稳，加速性能好。
To improve the driving performance: the engine easier to start, speed smooth, good acceleration.
改善行驶性能：发动机容易启动，转速平稳，加速性能好。
应用推荐