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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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CBers
CBI
CBO
CBs
CBW
cc
cc
cc.
CCA.
CCC
CCD
cc'd
CCDs
CCF
cc'ing
CCK
cckw.
C clef
CCS
cc's
CCTV
CCU
ccw.
cd
cd
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更新时间:2026/8/7 5:27:50