与"optical bar-code scanner"相近的词条

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• 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
• optical blinking reflex
• optical blinking reflexes
• optical cable
• optical calcite
• optical card

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