来听一个和物理学有关的例句。 Example In this experiment, the cart needs to move at a constant speed on a smooth surface. （在这个实验中，小车需在光滑表面上匀速移动。） Feifei 在这句话中，形容词 “constant” 表示小车需要 “匀速” 前进，它的移动速度是 “恒定不变的”。

According to Einstein's physics, light has, does, and always will travel at a constant speed. Some physicists and cosmologists have begun challenging that observation, and may just have gotten ...

The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second. That's about 186,282 miles per second — a universal constant known in equations as "c ...

As gas prices gradually rise, many car owners are getting concerned. COVID and the Ukraine War have further aggravated the situation. Many consumers are looking at gas-efficient vehicle models with a ...

As far as we can measure, it is a constant. It is the same speed for every observer in the entire universe. This constancy was first established in the late 1800’s with the experiments of Albert ...

Isokinetic exercise uses specialized workout equipment to maintain a constant speed during movements, regardless of the amount of force applied. Its purposes include rehabilitation, recovery ...