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portrait of lab technician holding tube of blood sample
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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stomatolog hand holding medical tweezers
用手套和口罩的专业医生手里拿着医疗注射器,准备注射
pharmacist putting pills on the counter
scientist hand writing on test beakers
close up of microscope oculars being directed at a sample on a piece of glass. close-up shot of sample slide and microscope with metal lens at laboratory. high quality 4k footage
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护士和女医生拿着covid-19疫苗的注射器的肖像
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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close-up view of a technician in a lab coat using a microscope and soldering tools to meticulously repair a circuit board
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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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不可辨认的医生手的细节 组装耳镜
scientist examining plant under microscope
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female scientist looking through microscope in laboratory
dental technician preparing for work
close-up change of microscope magnification in a laboratory
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discovering the microscopic world
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filter hole cutting machine for h95 face masks
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科学家在实验室中用显微镜检查细菌 3
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science students working in the laboratory with one looking through microscope
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科学家在实验室离心机中装载小管的近距离拍摄
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medical workers analyzing patient heartbeat
advancing medical science
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it's experiment time
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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
microscope close-up view of a sample on a slide
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all will be revealed after this test
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scientist, woman with microscope slide
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archaeologist examining an artifact
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用微鏡檢查樣本的近視圖 02
scientist using a microscope
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在微鏡下放置幻燈片
scientist studies specimens under microscope, making observations and recording data for analysis
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microscope examining a textile sample
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a close-up view of a technician examining a circuit board under a microscope, the workspace is equipped with various tools and devices
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students using a microscope in a science classroom
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將樣本注入試管中
通過 pipette 的方法,在實驗室中使用 pps 緩衝溶液
kids and science. little boy and girl with face mask using a microscope.
medical practice in modern dental clinic
adjusting the microscope with the rotary potentiometer. detail
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african american scholar studies medical science in a college library
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dental composite polymerization procedure
crime scene site police photographer indoors forensic domestic murder evidence
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discoveries now for cures tomorrow
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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
close up view of scientist hand using microscope in laboratory
scientist working with a microscope
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a college professor preparing slides of human cancer cells for a microscope to show his students in a medical biology research laboratory
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scientist using a microscope in a laboratory
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