Acceleration and velocity are both vectors.
加速度和速度都是矢量。
Acceleration to 60 mph takes a mere 5.7 seconds.
加速到每小时60英里仅用5.7秒。
The engine delivers instant acceleration whatever the revs.
不论转速如何，发动机都可以立即加速。
He has also called for an acceleration of political reforms.
他也已呼吁加速政治改革。
That change is the rapid acceleration of urbanization.
这种变化就是城市化的急剧加速。
One is the acceleration of the substitution of knowledge and capital for manual labor.
一是知识和手工资本的替代加速。
We have come to expect an acceleration of music during car chases and creaky doors in horror films.
我们已经开始期待在汽车追逐时音乐的加速和恐怖电影中嘎吱作响的门。
I can measure that, because I pull it by one centimeter and I find the acceleration it exerts on a known mass.
我可以测量它了，因为我把它拉到了一厘米，我发现它对一个已知质量施加的加速度。
Do not confuse ever the tangential acceleration, which is along the circumference, with centripetal acceleration.
不要把沿圆周的切向加速度与向心加速度混淆。
There is now an acceleration in the rates at which they are becoming both cleverer and cheaper: an explosive combination.
现在，它们正在加速变得更聪明、更便宜：这是一个爆炸性的组合。
First, as they grow taller, big trees become thicker and less flexible: when winds blow across the surrounding cleared land, there is nothing to stop their acceleration.
首先，随着大树长高，它们变得越来越粗、越来越不灵活：当风吹过周围的空地时，没有什么可以阻挡它们加速。
Species extinction, deforestation, damming of rivers, occurrence of floods, the depletion of ozone, the degradation of ocean systems and many other areas are all experiencing acceleration.
物种灭绝、森林砍伐、河流筑坝、洪水、臭氧层损耗、海洋系统恶化和许多其他变化都在加速发生。
This much is clear: we need to find ways that help us flatten the hockey-stick curves that reflect our ever-faster pace of ecological destruction and social acceleration.
有一点毋庸置疑：曲棍球杆曲线反映了我们正以愈来愈快的速度破坏生态及进行社会发展，因此我们需要找到办法来拉平这一曲线。
This is an acceleration on March, when revenue passenger kilometers increased 2.9%.
这是3月份的一个加速，付费旅客周转量增加了2.9%。
It's a very modest acceleration.
一个很小的加速度。
So, the acceleration vector is;.
那加速度就是。
没有加速度。
这等于角加速度。
That is the instantaneous acceleration.
这也就是瞬时加速度。
The result is service acceleration.
结果是服务提速了。
What does that mean for the acceleration?
就加速度而言这意味着什么呢？
And, as it rotates, it USES acceleration.
随着它的旋转，就产生了加速度。
So what, now, is the average acceleration?
那平均加速度到底是多少呢？
Acceleration and wheel force safety limits.
加速和车轮力安全限制。
Neither do I know what the acceleration is.
也不知道加速度是多少。
We will discuss velocities and acceleration.
这节课主要讨论速度和加速度。
That means there must be a huge acceleration.
意味着有一个巨大的加速度。
Is it really just about hardware acceleration?
仅仅是硬件加速而已吗？
Is it really just about hardware acceleration?
仅仅是硬件加速而已吗？
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