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laboratory worker preparing experiment at lab
scientist hand writing on test beakers
高中化學課的寫作任務
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woman scientist working on chemical analysis. chemical liquid analysis
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animation of scope scanning and data processing over close up of scientist working in lab
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塑膠測量圓柱體在實驗室中
researcher working in chemical lab. female scientist doing experiment
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criminology. forensic expert examining detonated shell casings at the criminal site.
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scientist in the lab analyzing water from aqua farming tank with brine shrimps
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demonstrating sodium acetate crystallization in a lab setting
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4k: honey testing in chemical laboratory, testing honey for quality, harmful substances and pesticides, organic honey testing, honey farming business
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animation of red shapes over diverse scientists in lab
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animation of moving clock over caucasian female scientist
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slow motion shot of a scientist mixing different substances in a glass, wearing a white jacket in a lab
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young scientist in medical laboratory. doctor preparing laboratory equipment
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scientist putting chemicals into tubes
女员工在办公室的黑暗房间里向同事解释图形的幻灯片
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
lab flasks and measuring cups in medical laboratory. laboratory glassware
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medical workers analyzing patient heartbeat
technology scientist conducting modern research in lab setting with test tubes and equipment
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吸入空氣 進去科學小瓶子
laboratory research concept. group of scientists discussing microscope research
科学家在实验室中记录结果
science man, microscope and research laboratory
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test tubes with samples in a rack 4k
laboratory. hand in blue glove moves the tubes and drips blue liquid. medical worker holding yellow and blue liquid sample in test tube analyzing urine in lab. high quality 4k footage
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student taking notes in a chemistry lab
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
scientists looking through microscope
doctor checks patient blood sample and puts tube on rack
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network of connections against biracial female scientist holding two test tubes at laboratory
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scientist working in a laboratory
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demonstrating chemical reactions with sucrose and solutions
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animation of data processing and chemical formula over scientist in lab
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穿著防護裝備和呼吸器的男人檢查一個瓶子 2
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pouring liquid into glasses for color change
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his goal is to note every small detail
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animation of spinning dna structure over mid section of male scientist working at laboratory
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woman doing control at brewery
將樣本注入試管中
兩個戴眼鏡的聰明現代孩子在做項目工作
兩個瘋狂的孩子坐在辦公桌旁做項目工作
female scientist looking through microscope in laboratory
laboratory technician analyzing blood samples 4k
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animation of scope scanning and data processing over close up of scientist working in lab
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digital composite of chemists performing a chemical experiment
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dental technician preparing for work
student performing a chemistry experiment in a laboratory
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students in a science lab learning about biology
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