英语语法分析

Nanocrystals, also known as quantum dots, are semiconducting particles with a diameter of a few millionths of a millimeter.

纳米晶体，也被称为量子点，是一种直径只有百万分之一毫米的半导体粒子。

Most ash particles are normally 50-100 microns (millionths of a metre) across.

通常，大多数颗粒的直径在50至100微米(米的百万分之一)之间。

The trigger system also registers the location of particles to millionths of a metre.

触发系统也能以百万分之一米的精度记录粒子的位置。