It is still used occasionally for measurements of wavelength or interatomic distance.

（千分之一微米，十分之一纳米）现在仍被用来测量波长和原子间的距离。

youdao

It is still used occasionally for measurements of wavelength or interatomic distance.

（千分之一微米，十分之一纳米）现在仍被用来测量波长和原子间的距离。

youdao