It contains many groups of tiny ice particles called snow crystals.

VOA: special.2010.01.05

So on your computer's hard drive are again, a whole bunch of tiny magnetic particles aligned this way or this way.

因此，你的电脑硬盘是完全是,有一簇按照这种方式排列的磁性粒子。

哈佛公开课 - 计算机科学课程节选

The magnet creates a field which changes the polarity of a tiny, tiny portion of the metal particles which coat each platter's surface.

这个磁体创建一个,能改变覆盖在,磁盘表面小金属粒子的磁极。

哈佛公开课 - 计算机科学课程节选

A tiny fraction of the incident alpha particles were deflected through large angles.

极小部分的入射的阿尔法粒子,发生大角度的偏转。

麻省理工公开课 - 固态化学导论课程节选

So, we would actually need a really, really, really tiny velocity here to actually overcome the size of the mass, if we're talking about macroscopic particles, to have a wavelength that's going to be on the order.

是10的负34次方焦耳每秒,所以如果我们谈论的是要一个，宏观粒子有相应数量级的波长的话，我们需要一个非常非常非常小的速度来。

麻省理工公开课 - 化学原理课程节选