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实验室技术人员进行尿液检测 8
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实验室设备:注射器和药物试管和瓶子在黑色背景上旋转 6
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chemical experiment in laboratory
miniature burj khalifa models on display shelf
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在微鏡下放置幻燈片
various clear beakers rotating on a platform
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video of glass laboratory test tubes and dishes with copy space on white background
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將樣本注入試管中
medical pipette with red fluid: coronavirus covid-19 conceptual vaccine - slow motion
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lab experiment with test tubes and blue liquid
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chemist scientist looking microscope slide
scientist hand writing on test beakers
various clear beakers and cylinders on a white surface
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iron nails reacting with copper sulfate solution
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dental technician preparing for work
man drinking and taking pills
吸入空氣 進去科學小瓶子
video of close up of laboratory pipette and glass dishes with copy space on white background
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scientific chemical laboratory equipments, 3d rendering.
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实验室设备:注射器和药物试管和瓶子在黑色背景上旋转 5
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video of glass laboratory test tubes and dishes with copy space on white background
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智能儿童<unk>接电路板的近距离拍摄
blue and red liquid pouring into beakers
塑膠測量圓柱體在實驗室中
food packaging machine with plastic containers
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medical ampoules on conveyor line
在實驗室中,研究員將牛仔褲布切入試管中
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laboratory worker preparing experiment at lab
dilution pipette lifts up and the dilution cleansing mechanism goes down on chemistry analyser
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在科學和醫學研究實驗室的課堂上, 靠近顯微鏡鏡頭和人體癌細胞的幻燈片
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stomatolog hand holding medical tweezers
doctor workplace modern clinic closeup. medical consultation online in hospital.
inside a chemistry lab experimenting with eggs
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科学家在实验室中使用 pipette 的近距离拍摄 1
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male scientist pouring solution in medical vials 4k
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追蹤過去的門近距離
实验室设备:注射器和药物试管和瓶子在黑色背景上旋转 8
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hands manipulating test tube clamp in laboratory setting
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玻璃实验室用品坐在柜台上 1
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student taking notes in a chemistry lab
glassware and microscope in the laboratory, 3d rendering.
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scientist conducts copper carbonate decomposition in lab
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实验室技术人员进行尿液检测 1
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laboratory experiment with petri dishes
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科学家在实验室中记录结果
test tubes with samples in a rack 4k
lab glassware on shelves
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microscope focused on plant samples in a laboratory setting
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不可辨认的医生手的细节 组装耳镜
video of close up of laboratory microscope with copy space on white background
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