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close up of dentistry doctors talking wearing hazmat suit
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chemists in coverall trying to develop vaccine using tablet standing behind the glass wall
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兩個穿著個人防護裝置的清潔人員在辦公大樓內觀看攝影機
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
辦公大樓內一個穿著個人防護裝置的清潔工在清潔窗戶玻璃的正面圖 1
worried scientists in ppe suit talking behind the glass wall
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covid, research and medical scientist working
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兩個穿著個人防護裝置的清潔人員在辦公室內清潔窗戶玻璃的外觀
team of chemist doctors wearing protection suit working in danger area
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pharmaceutical technology process
dentist giving tablet to dental nurse before consultation
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portrait of female paramedic in mask posing at camera
disinfection of public area by hazmat team
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scientist team in laboratory
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biochemical laboratory research
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
orthodontists in ppe suits making diagram with sticky notes
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兩個不辨認的清潔人員穿著個人防護裝置,走在辦公大樓內,拿著清潔產品和破布
白人研究人员穿着防护服,手持试管,在绿地进行害虫控制时使用笔记本电脑
worker operating control panel in pharmaceutical manufacturing facility
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scientist team in laboratory, ppe and computer
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scientist in protective suits working on vat
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兩個穿著個人防護裝置的清潔人員在辦公大樓內清潔水晶牆壁的後景
scientist team in protective suit preparing tools for analysing virus development
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stomatology team of dentists at desk using computer for teethcare in dental cabinet
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scientist in protective gear in a laboratory
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doctor draw medical syringe using drip bag in hospital infectious disease unit.
白人研究員穿著防護服,拿著試管,在綠地進行害蟲控制時使用筆記型電腦
在covid-19大流行期間,戴著防<unk>套裝的醫生開始進行醫學研究 - 中等射擊
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in the laboratory researcher / scientist wearing protective coverall holds test tube with experimental medicine and looks at it.
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pharmaceutical worker checking pharmacy production equipment
portrait of dental assistent typing on computer keyboard
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兩個穿著個人防護裝置的清潔人員從辦公室大樓內的玻璃電梯中走出來
orthodontists wearing protection suits looking at tablet
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stomatology assistant working at desk for patient teethcare
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video of walking technicians in clean suit
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scientist using a scanning electron microscope (sem)
scientists in coverall standing behind the glass wall working in danger area of lab
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穿著個人防護裝備的清潔人員在辦公大樓內清潔窗戶玻璃的正面圖
team of stomatologists wearing ppe suits using tablet
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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
stomatological doctors wearing ppe suits at dental clinic
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dentistry staff wearing ppe suits discussing dental x ray scan
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healthcare worker administering covid-19 vaccine
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industrial worker operating control panel
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factory worker in protective gear
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dentists with face shield cleaning and examining patient teeth
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chemical research experiment
科学家在实验室中记录结果
covid, happy and scientists with a high five
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