bsolute optical frequency measurement 绝对光频测量; 绝对光频测 o'@VDGS`
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absorpting loss in optical thin-film 光学薄膜的吸收损耗 r5z_{g
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console optical-display plotter 控制台光显示绘图仪 ( Kh<qAP_n
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continuous variable optical attenuator 连续可变光衰减器 6X5`npf
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continuous-wave optical ranging system 连续波光学测距系统 k41lw^Jh
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convex optical tool 光学玻璃凸面磨 <4,>`#NEo
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coronal optical polarization 日冕光学偏振 lL~T@+J~
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