| 释义 |
DEFINITIVE EXAMPLES 权威例句〔echelon grating〕A diffraction grating made of parallel glass plates, each of which extends slightly beyond the next, used to examine extremely fine structures.梯状光栅:用来检查极小结构的衍射光栅,由平行的玻璃片组成,每块玻璃片都比邻近一块长出一点美国传统〔ghost〕A false spectral line caused by imperfections in the diffraction grating.鬼线:衍射光栅中的不完整衍射引起一条虚幻的鬼线美国传统〔grating〕A diffraction grating.衍射光栅美国传统 |