与"optical measuring device"相近的词条

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• optical mark card
• optical mark reader
• optical maser
• optical material
• optical measurement
• optical measuring device
• optical mechanical system
• optical media
• optical medium
• optical memory
• optical memory card
• optical method measuring unit for eyeball movement
• optical microscope
• optical mode、optical-mode
• optical-mode fraquency
• optical mode frequency

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