From this moment on, the apple will remain permanently in contact with the floor, being pressed to it by the steadyacceleration.
从这个时刻起，这个苹果将会一直和地板接触着，因为稳定的加速度使它紧压在地板上。
2
You can easily improve the MPG on any car by keeping tyres inflated to their manufacturer-specified pressure, employ steadyacceleration and drive at a steady speed that requires fewer gear changes.
保持厂商指定的轮胎膨胀度，稳定加速，少用变速杆，用稳定的速度行驶都可以轻松提高MPG。
3
Specifically, Einstein's special theory of relativity predicts that time does not flow at a steady rate, and it can be affected by acceleration.