?衍射光栅
衍射光栅 diffraction grating; diffraction grid; diffractiongrating; iffraction grating 衍射光栅,绕射光栅 diffraction grating .
?绕射光栅
... 绕射盘 diffraction disk 绕射光栅 diffraction grid 绕射仪器 diffraction instrument ...
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