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Terms for subject Oil / petroleum containing 焦点 | all forms | in specified order only
ChineseEnglish
三焦点透镜trifocal
双焦点透镜bifocal
幽后焦点距back focal
地下焦点buried focus
次焦点secondary focus
焦点压力focal pressure
焦点温度focal temperature
等效焦点equivalent focus
虚焦点virtual focus
虚焦点效应buried focus effect
集中焦点focalization

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