与"optical attenuator"相近的词条

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• optical antipode
• optical art
• optical aspherical surface
• optical ataxia
• optical attachment for microscope
• optical attenuator
• optical axes
• optical axis
• optical axis of crystal
• optical back pointer
• optical bar-code scanner
• optical beam deflection
• optical bench
• optical biosensor protein
• optical bleaches
• optical blink reflex

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