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免費 生物檢查 視頻 - 頁面 2

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戴著防護套裝和眼鏡的科學家在實驗室工作,用植物樣本
physician hands holding pad computer checking patient data in hospital close up.
用手套和口罩的专业医生手里拿着医疗注射器,准备注射
animation of data processing over caucasian female scientist doing experiments
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白人研究人员穿着防护服, 拿着试管和树枝在绿地进行害虫控制
face mask production line in modern factory
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young scientist looking through microscope in the lab
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senior scientist in protective uniform working with microscope
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archaeologist examining an artifact
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female technician is researching analysis in lab using test tubes with liquids and microscope quality control at production and ecological expertise
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穿著 ppe 服裝的護士在實驗室中共同開發血<unk>
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science study, man scientist
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研究人员的后视,手套上的女人在绿色的田野里敲打玻璃
platelet-rich plasma preparation. plasma in syringe. centrifuge. background
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medical workers analyzing patient heartbeat
scientist working in a laboratory
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mid section of health worker wearing protective clothes cleaning the office using disinfectant spray
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醫學技術人員將試劑瓶放入一個架子 1
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scientist using microscope in laboratory
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prepping the plants for tests
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close-up shot of microscope at laboratory. researchers working in lab with microscope. examining of test sample under the microscope in laboratory. high quality 4k footage
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development of biological weapon in medical laboratory male scientist in protective gown is viewing bacteria and virus by microscope scientific military base
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making homemade dumplings
crime scene site police photographer indoors forensic domestic murder evidence
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woman operator in control room
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scientists working with a microscope in a laboratory
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woman, laptop and forensic science with microscope
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通過 pipette 的方法,在實驗室中使用 pps 緩衝溶液
犯罪實驗室工作者檢查衣物上的證據 1
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dental composite polymerization procedure
close up dentist hands holding highspeed dental drill
戴眼鏡的年輕女子的肖像,她的子和手圍著一條白色寵物蛇,手在綠色背景上2
doctor hand writing medical test result. medical notes. health care industry
medical practice in modern dental clinic
白人研究人员穿着防护服在绿地进行害虫控制时使用平板电脑和笔记本电脑
scientist doing chemical experiment
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白人研究員穿著防護服,拿著試管,在綠地進行害蟲控制時使用筆記型電腦
一名不明身份的黑客在深夜在笔记本电脑上打字并偷窃网络数据库数据
研究人员的近距离视图 男人手拿着试管在绿色田野中进行害虫控制
microscope, sample and science with woman
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一对戴着口罩的医生在看平板电脑上的结果时交谈
scientist looking through a microscope
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研究人員在綠色田野中進行害蟲控制時<unk>坐和握著試管
scientist hand writing on test beakers. hands in gloves working with test tubes
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scientist hand writing on test beakers. hands in gloves working with test tubes
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my lab runs on logic and a lot of curiosity
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白人研究人员穿着防护服,手持试管,在绿地进行害虫控制时使用笔记本电脑
犯罪實驗室工作者檢查衣物上的證據 7
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analytical chemists researching together
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science, research and woman with microscope
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