For light, this is on the scale of tens of thousandths of a millimetre.

跟可见光波长类似，这种材料的规格达到了万分之一毫米。

That's one five-thousandths of the width of one of my hairs, over this entire 27 feet.

看我的头发，在27英尺的镜片上它只有我的头发粗细的千分之五。

If we fold it in half once again, the paper will become four thousandths of a centimeter.

如果再对折一次，这张纸就会变成4/1000厘米。

OK. After we have folded the paper once, it is now two thousandths of a centimeter in thickness.

好，在对折一次后，厚度变成2/1000厘米。

But it seemed unlikely that sharks could use their ampullae of Lorenzini to detect electric field pulses that last only a few thousandths of a second.

但鲨鱼似乎不太可能利用劳伦氏壶腹侦测只有几毫秒的电场脉冲；

Light takes seven microseconds to cross a sample only eight thousandths of an inch long; in the vacuum of space, light would go more than a mile in the same time.

光穿过只有八千分之一英寸长的试样需要七微秒，而在空间真空中,光在同样长的时间内可能会行驶一英里多。