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凹衍射光栅
meaning in English
concave diffraction grating
Related Words
偏心光栅
衍射极限直径
凹
椭圆凹
地槽凹
凹痕打凹
窝凹
成凹
球凹
凹坡
凹眼的
凹眼陷眼
凹阳台
凹腰安全杯
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