Terms containing order diffraction

Subject	English	Chinese
space	first order diffraction beam	一阶颜色光束
tech.	first-order diffraction spot	一阶衍射斑点
tech.	order diffraction	衍射阶
tech.	second-order diffraction spot	二阶衍射斑点
el.	zero-order diffraction	零阶［级］衍射