bsolute optical frequency measurement 絕對光頻測量; 絕對光頻測 0^K">  
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absorpting loss in optical thin-film 光學(xué)薄膜的吸收損耗 O[JL+g4  
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console optical-display plotter 控制臺光顯示繪圖儀 4u})+2W  
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continuous variable optical attenuator 連續(xù)可變光衰減器 (M.&^w;`,  
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continuous-wave optical ranging system 連續(xù)波光學(xué)測距系統(tǒng) i6Emhji  
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convex optical tool 光學(xué)玻璃凸面磨 PBTnIU  
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coronal optical polarization 日冕光學(xué)偏振 ou{2@"  
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coupled optical resonators 耦合光諧振腔 K^<BW
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cross-coupling optical beam 交叉耦合光束 #fn)k1  
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crown optical glass 冕牌光學(xué)玻璃 p]2128kqx  
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curved holographic optical element 曲面全息光學(xué)元件 a'yK~;+_9  
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CW optical maser action 連續(xù)激光振蕩 :emiQ