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单词
echelon grating
释义
echelon grating
n.
(名词)
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
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spouts
spp.
SPQR.
spr.
sprachgefühl
sprachgefühls
sprag
spragged
spragging
sprags
Sprague
sprain
sprained
spraining
sprains
sprang
sprang
sprangs
sprat
sprats
spratted
spratting
sprawl
sprawled
sprawling
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更新时间:2026/8/8 14:43:33