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校友用<unk>子压紧锡<unk>线的近距离拍摄
the worker considers holding jar in the lab.
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female scientist soldering circuit board 4k
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futuristic laboratory with neon lights and lab equipment
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close-up of medical equipment for artificial insemination of women, preparation of material
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兩個聰明的小朋友在做工程學的學校項目
兩個年輕的同學一起做學校項目
medical ampoules on conveyor line
man and woman doing control at brewery
man and woman doing control at brewery
chemical and biological laboratory for detection of deadly killer viruses
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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
一位專業的作家將她的故事寫成字體,並將故事帶到生命中
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close-up of a circuit board being assembled by a machine
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兩個瘋狂的孩子坐在辦公桌旁做項目工作
lab scientist examining chip with magnifying glass
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兩個年輕的同學一起在工程學上做項目
mother board of a workstation computer with processors and memory
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automated component testing and assembly process
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animation of data processing with ecology icons over diverse scientists taking sample
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學生在學校做工程項目
戴眼鏡的聰明男孩用鐵和<unk>子<unk>接線
animation of dna strand and scientific data processing over diverse scientists in laboratory
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factory engineer with gloves operating hydraulic lever in laboratory
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chemist in ppe suit working at pc while lab technician bringing her blood samples
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兩個戴眼鏡的聰明現代孩子在做項目工作
male scientist soldering circuit board 4k
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兩個聰明孩子坐在辦公桌旁做項目工作
scientists working in a modern laboratory with advanced technology and digital data
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scientist team in prorection suit arguing in front of pc looking at virus development
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智能儿童<unk>接电路板的近距离拍摄
close-up view of a technician using a microscope to examine and repair a circuit board
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a chinese female worker is concentrating on her work
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student learning how to programing robot
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兩個孩子在做工程學的學校項目
animation of mathematical equations over caucasian male scientist working in lab
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global network of engineering and science
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兩個孩子在做工程課題的近距離拍攝
animation of data processing and chemical formula over diverse scientists using computers
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animation of mathematical formula over caucasian male scientist working in lab
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doctor with coverall working with blood samples
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兩個中學學生一起做一個項目
mother board of a workstation computer with processors and memory
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白人孩子在电路板套件中测量电流
scientist using a scanning electron microscope (sem)
在控制器上按下綠色和紅色按<unk>
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兩個聰明的小朋友在家裡做學校項目
research to identify dangerous viruses in the laboratory using robots
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medical analyzer pipetting samples from test tube and putting them in testing chambers on a rotary disk on a modern biochemical machine for human blood testing
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students using a 3d printer in the lab
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