grating

Leaves clogged the grating over the drain..树叶把排水管上的格栅堵住了。

fiber grating,光纤光栅

diffraction grating,衍射光栅；绕射光栅

holographic grating,[化]全息照相栅

concave grating,凹面光栅

grating constant,光栅常量；晶格恒量；点阵常数

grating monochromator,光栅单色仪

transmission grating,透射光栅

grating spectrometer,光栅光谱仪，光栅分光计

grating spectrograph,光栅摄谱仪

reflection grating,反射光栅

plane grating,平面光栅