这两种物质分别排列在直径小于50纳米的球体中。

The two substances themselves are arranged in tiny spheres less than 50 billionths of a metre across.

youdao

本文将列表描述光缆在直径和重量上的减小情况。

Graphs showing cable diameter and weight reductions will be presented.

youdao

所有的测定按随机顺序在直径为1.5 cm的区域进行。

All measurements were performed in random order within an area 1.5 cm in diameter.

youdao

Because of that you can't count on molecules moving rapidly over the size of a cell that's ten to 30 Microns in diameter.

因此不要对生物大分子能在,直径十到三十微米的,细胞里高速穿行抱有任何指望

耶鲁公开课 - 生物医学工程探索课程节选

It looks a little something like that, and the screen doesn't quite do it justice here, Z but there's two alphabets; A through Z, and then A through Z, -- but the inner A through Z is on a small -- it has a smaller diameter; so it's a ring of letters.

它看起就像那样的东西，那个画面做的不是这么公正，这里有两个字母表，A到Z，然后A到，但是戒指内部的A到Z是在一个小直径的上面-,它有一个小的直径，所以它是一个有字母的戒指。

哈佛公开课 - 计算机科学课程节选