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two chemists are testing samples of water during ecological and chemical expertise in laboratory of scientific institute male ad female experts
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people are working in scientific laboratory chemical and ecological research and quality control department in industry production
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科学家在实验室中对植物进行研究 3
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plant seedlings growing under test laboratory glassware. germinated plant sprouts
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plant seedlings growing under test laboratory glassware. germinated plant sprouts
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女员工在办公室的黑暗房间里向同事解释图形的幻灯片
chemist is mixing reagents in plate in laboratory dropping one liquid in other experiment and research developing of new drug
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chemist is working with dangerous chemicals in laboratory scientist is dressed protective gown and mask closeup of face and test tube
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african american doctor on grey background.
painter in the design studio
scientists conducting experiments in a laboratory
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little boy and girl with face mask using a microscope. kids and science.
female scientist looking through microscope in laboratory
man and woman scientists are working in chemical laboratory researching and experimenting with reagents viewing reaction by microscope
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young female pharmacist is developing and testing new drug in medical laboratory pharmaceutical industry and research of virus and bacteria
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pair of scientists is working in crime lab man is viewing evidence in microscope woman is testing liquids in test tubes forensic expert practice
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department of quality control in chemical laboratory in industrial factory man and woman are exploring samples of products using test tubes and microscope
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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
two technicians are working in scientific laboratory man is researching sample by microscope and woman working with chemicals microbiological exploring department
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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
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
戴着面具的小女孩们正在建造机器人
team of health professionals is working in research laboratory of scientific institution male and female chemists and medics researching by microscope apparatus
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forensic expert is testing evidence in laboratory viewing samples in microscope female technician is researching analysis portrait of woman in lab
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kids and science. little boy and girl with face mask using a microscope.
科学家在实验室中对植物进行研究 2
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护士和女医生拿着covid-19疫苗的注射器的肖像
microbiological research of two experts in medical laboratory man and woman are exploring samples using test tubes and microscope apparatus
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two scientists are exploring biological samples in medical laboratory diagnostic by analysis male and female technicians working with chemicals experimenting
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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
laboratorial tests of vaccine and medicaments female technician is viewing analysis in microscope biology and virology research
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scientist with data and structural formula of chemical compounds
microbiologists are researching virus and bacteria in laboratory woman is viewing by microscope man is testing drugs in test tubes in medical center
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laboratory technician is viewing analysis of coronavirus in lab viewing into medical microscope exploring vaccine and medicament
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科学家在实验室中研究<unk>皿中的细菌
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scientists test for covid-19 or corona virus by using science tubes to research and treat illness in a lab or hospital. medical treatment concepts. high quality 4k footage
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student of chemical institute is doing practical work in class portrait of young woman with protective glasses rubber gloves and white gown exploring reagent
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研究員身穿防護服,戴防護眼鏡的女性在綠色田野敲打玻璃
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
methods of laboratory diagnostics of diseases of human and animals doctor is exploring analysis in hospital or veterinary clinic
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female virologist is exploring virus of covid-19 in medical laboratory viewing it in microscope research of coronavirus and looking for a curing
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professional technician of medical laboratory is working with microscope apparatus researching analysis for covid-19 looking for a virus
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dna double helix and molecule models
medical workers analyzing patient heartbeat
bartender cleaning a cup
drop of blood falling into test tube of water close up
portrait of health professional woman is studying analysis in medical laboratory exploring in microscope apparatus modern methods in medicine diagnosis
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dna double helix
science stock footage
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medical expert is testing toxic medicament in laboratory dressed in protective gown and respirator mask development of new drug pharmaceutical producing
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