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    turning on reel to reel
    phoropter
    ophthalmoscope
    dollar banknotes in counting machine
    medical vaccine manufacturing process
    flying old military binoculars
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    girl in the ophthalmologist
    close-up of chiropter
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    doctor adjusting ophthalmoscope
    女眼科醫生用視力測量機對年輕女孩進行視力測試
    智能儿童<unk>接电路板的近距离拍摄
    futuristic operating room with advanced medical equipment
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    在微鏡下放置幻燈片
    futuristic medical scanner
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    futuristic medical scanner
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    optometrist doing an eye test on a patient
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    mri scanner in hospital laboratory
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    futuristic medical technology in a hospital operating room
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    doctor adjusting ophthalmoscope
    raw fabric material on automated aligning machine for surgical mask production
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    laser engraver head working
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    hispanic man security expert manipulating machinery specialized in key duplication
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    pharmaceutical equipment working. industry modern equipment. pharmacy industry
    a lab technician examines a sample in a petrie dish under the microscope
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    photonics experiment with scientific equipment
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    用微鏡檢查樣本的近視 01
    futuristic medical scanner in a sci-fi lab
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    pharmaceutical quality control of medical vials
    white mixer ketchen applinces knob speed dial
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    video of close up of laboratory microscope with copy space on white background
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    兩個戴眼鏡的聰明現代孩子在做項目工作
    望遠鏡對焦機制調整 (多布森望遠鏡)
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    futuristic laser engine close-up
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    animation of scientific data processing over microscope in laboratory
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    close-up of a dual-head microscope in a laboratory setting
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    futuristic rotating mechanism
    medical equipment in ophthalmology clinic
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    a slit lamp or biomicroscope is a microscope with a bright light used during an eye exam
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    video of close up of laboratory microscope with copy space on white background
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    young life scientist working with a professional microscope in the laboratory
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    pharmaceutical production line. manufacturing process at pharmacy factory
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    scientist using a scanning electron microscope (sem)
    a key being grabbed out of a machine by another machine
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    一位科學家在醫學研究科學實驗室用顯微鏡檢查人體細胞片
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    binocular professional scientific microscope laboratory, close-up
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    light falling on camera lens 02
    close up of film clapperboard or slate with camera lenses and lighting accessories shooting movie or video in studio
    望遠鏡對焦機制調整 (多布森望遠鏡)
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    scientist examining bacteria under microscope at laboratory
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    girl in the ophthalmologist
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