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白人研究員身穿白色外套和防護眼鏡的女性在綠色田野中觀看試管
chemistry experiment
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little boy and girl wearing face mask with laboratory glassware. kids and science.
multiple covid-19 cells floating against african american senior woman coughing at home
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戴着面具的小女孩们正在建造机器人
male doctor work in laboratory developing a vaccine. coronavirus covid-19 2019-ncov medicines research concept. use microscope. high quality 4k footage
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兩個孩子在做工程學的學校項目
白人研究員女士在綠色田野中進行害蟲控制時,戴著防護服拿著試管
chemistry experiment in a lab
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scientist working in a laboratory on plant experiments
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asian man in earphones having a video call on smartphone.
scientists looking through microscope
animation of mathematical equations over diverse scientist in lab cityscape
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doubting man looks at materials sample doing tests in lab
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scientist conducting an experiment
animation of chemical formula over operating room
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animation of mathematical equations over diverse scientist in lab cityscape
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兩個瘋狂的孩子坐在辦公桌旁做項目工作
attentive schoolboy doing a chemical experiment in laboratory
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portrait of schoolgirl standing with arms crossed in laboratory
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bartender cleaning a cup
little boy with laboratory glassware and a microscope. kids and science.
scientist putting chemicals into tubes
animation of scientific data processing over male caucasian scientist in laboratory
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colorful chemistry experiment with dry ice
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animation of scientific data processing over male caucasian scientist in laboratory
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animation of scientific data processing over male caucasian scientist in laboratory
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animation of mathematical equations over caucasian male scientist doing experiment
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animation of scientific data processing over caucasian male scientist in laboratory
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laboratory research concept. group of scientists discussing microscope research
一位戴着面具的白发,中年医生从笔记本上写下医学结果到笔记本电脑上
two scientists conducting a plant experiment in a laboratory
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scientists working in a laboratory on plants
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little boy and girl with face mask using a microscope. kids and science.
male research scientist. he sitting in a high-end modern laboratory with beakers glassware microscope and working monitors surround him. high quality 4k footage
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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
animation of mathematical equations over caucasian female student looking at vials in lab
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animation of data processing and chemical formula over caucasian male scientist doing experiment
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front view of mature caucasian male worker creating glass in glass factory 4k
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animation of mathematical equations over biracial girl smelling chemical in a flask at laboratory
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animation of scientific data processing over caucasian male scientist in laboratory
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laboratory beakers with data and structural formula of chemical compounds in the foreground
scientist conducting a botanical experiment
animation of chemical formulas over caucasian senior male lab worker with sample
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animation of mathematical equations and dna strands over caucasian male scientist in lab
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animation of dna strand and chemical formula over caucasian male scientist doing experiment
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白人研究員,戴著白色外套和護眼鏡的女性,在綠色田野中看試管
白人研究員穿著防護服的男子,在綠色田野中進行害蟲控制時,握著試管
mathematical equations floating against group of health workers working at laboratory
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schoolgirl observing chemicals in laboratory
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