1、The Rayleigh criterion is used to determine the resolution of an optical system.

（雷利标准被用来确定光学系统的分辨率。）

2、Rayleigh scattering refers to the scattering of light or other electromagnetic radiation by particles much smaller than the wavelength of the radiation.

（雷利散射是指光或其他电磁辐射在比辐射波长小得多的颗粒上的散射现象。）