| 单词 | diffraction grating |
| 例句 | 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 |
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