So when we measure an electron's position, we are treating it as a particle at a specific point in space, with an uncertain wavelength.

因此当我们测量一电子的位置是，我们将其当做处于空间某一点的粒子，拥有不确定的波长。

youdao

Vessel can not be regarded as particle while vessel is berthing, so distance of vessel and shoreline is not distance of point and line, it should be calculated as space between polygon and line.

在船舶靠泊操纵仿真中，由于船舶不能视为质点运动，因此船岸距离的计算不能简单地归结为点线距离，而应该用多边形间距方法进行计算。

youdao

So, actually, if you look at motion of charged particles in an electric field caused by a point charged particle, it also satisfies Kepler's law, satisfies the same law.

事实上，如果你观察带电粒子，在点电荷引起的电场中的运动，它也满足开普勒第二定律。

youdao

When you want a point particle, if you wake up and find a point particle on your bed, what's your reaction?

当你想要一个质点,想当你醒来时发现一个质点在你的床上,你是什么反应

耶鲁公开课 - 基础物理课程节选

You want to get the contract for Johnny Fontaine, you don't tell your consiglieri, "Hey Tom, put a point particle on Jack's bed."

约翰尼·方丹为电影《教父》中的角色,影片中有杀马恐吓的情节

耶鲁公开课 - 基础物理课程节选

So up to this point, before it was really established that yes, light is like a particle sometimes, there was this very strong distinction between what is light and what is matter.

所以关于这个观点，在它被真正确立之前，光有时候像粒子，在什么是光和什么是物质之间,有一个非常巨大的区别。

麻省理工公开课 - 化学原理课程节选

That (as Einstein showed) means that from the particle's point of view time stands still and space contracts to nothingness.

ECONOMIST: Cosmology