We have at least… at least 100 micrometres of growth per year.

我们每年至少有100微米增长。

Why is there a constant isometric force below 2.2 to 2.0 microns?

为什么在 2.2 到 2.0 微米以下会有恒定力？

" N95" means they block at least 95% of particles smaller than 0.3 microns across.

N95意味着它们至少能阻挡95%直径小于0.3微米粒子。

When astronomers talk about dust, they mean tiny grains a micron across.

当天文学家说到尘埃时，他们指是直径一微米微小颗粒。

An average-sized bacterium is about 2 micrometers, or 2 millionths of a meter, in length.

平大小细菌长度约为 2 微米，即百万分之二米。

Nanoplastics are less than 1 micrometer in size.

纳米塑料尺寸小于 1 微米。

Wow. - Point five microns are stacked together very perfectly.

哇。- 5 微米，非常完美地堆叠在一起。

But in reality the oil was only 10 microns thick.

但事实上油层厚度只有10微米。

These cracks are likely only micrometers long.

这些裂缝可能只有几微米长。

The PM2.5 measurement means the particles are 2.5 microns or less in diameter.

PM2.5测量意思是颗粒物直径小于或于2.5微米。

A normal bacteria measures one to five micrometers long.

正常细菌有1到5微米长。

A micrometer is one millionth of a meter.

1微米是百万分之一米。

Microplastics can be 5 millimeters long at most or as small as one micrometer.

微塑料最长可达5毫米，或小至1微米。

And that microscope will take images of what's in the water down to about five microns.

显微镜将摄取图像，可以看到水里5微米左右物体。

And I got it down from 20 microns down to 0.3 microns.

我把它从 20 微米降低了 到0.3 微米。

But a transistor, in comparison, is much smaller, at a tiny fraction of a micron across.

但是晶体管相比之下要小得多，它直径只有一微米一小部分。

To put this in perspective, a typical bacteria cell has a width of between 1-10 micrometers.

对比来看，一个典型细菌细胞宽度在1-10微米之间。

If you do the calculation for oil 10 microns thick the drop should move way slower.

如果你按10微米厚油层计算，那么水滴移动速度应该慢很多。

Their oil layer was about 10 microns, or about a hair's width thick.

油层厚度大约为10微米，相当于头发丝直径。

Their speed goes from eighteen point three micrometers per second up to a whopping thirty point one.

精子速度从每秒18.3微米上升到30.1微米。