Read Edit View history 衍射格子 yǎnshègézi diffraction grating Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 衍射格子 · yǎnshègézi · diffraction grating 2026/03/04 衍射格子 yǎnshègézi diffraction grating diffraction grating (physics) 这台分光计使用了精密的衍射格子。 created sense Mar 4, 2026, 02:25 AM