特徵长度 meaning in English
characteristic length
Examples
- This possibility arises because the wavelength of a typical electromagnetic wave ? the characteristic distance over which it varies ? is orders of magnitude larger than the atoms or molecules that make up a material
这个可能性来自于典型电磁波的波长（亦即电磁波变化的特徵长度） ，要比构成材料的原子或分子大上好几个数量级。