| 释义 |
光栅guāngshān能产生衍射现象的光学器件,光线透过它或被它反射时就形成光谱,一般用玻璃或金属制成,上面刻有很密的平行细纹。{grating; diffraction grating; plate of glass or polished metal ruled with a series of very close, equidistant, parallel lines, used to produce a spectrum by the diffraction of reflected or transmitted light} |