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colorful chemistry experiment with dry ice
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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
animation of world map over scientist in face masks
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scientist conducts experiment with colorful liquids and smoke
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animation of mathematical equations over diverse scientist in lab cityscape
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test tube falling with data and structural formula of chemical compounds in the foreground
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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
scientist conducts experiment with colorful liquids
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白人女性和男性研究人员拿着化学物质和杀虫剂的试管,并在绿色领域使用笔记本电脑
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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animation of dna strand and shapes over caucasian woman with megaphone and mathematical equations
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一個男科學家拿著一個植物的瓶子
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animation of data processing and chemical formula over caucasian female scientist with beakers
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一位研究員用綠色植物仔細觀察試管
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innovative biochemists making breakthrough
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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
scientist pouring chemicals in tube
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animation of financial data processing over lab worker pouring reagent into lab glass
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pouring liquid into glasses for color change
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laboratory beakers with data and structural formula of chemical compounds in the foreground
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
science experiment with colorful liquids and smoke
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animation of molecules over caucasian male scientist doing experiment in lab
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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
colorful chemical reaction science experiment
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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
scientist mixing and pouring liquids in beaker
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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
scientist pouring chemicals in beaker
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animation of data processing and chemical formulas over hands of lab worker with samples
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scientists looking through microscope
白人研究者近距离观看 穿着防护服和防护眼镜的男子坐在田野上采集小麦草
student taking notes in a chemistry lab
scientist conducting experiment with colorful liquids
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science experiment with colorful chemicals and dry ice
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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
science experiment with colorful liquids
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animation of data processing over caucasian scientist pouring liquid into beaker
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animation of data processing and chemical formula over caucasian female scientist with beaker
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bartender cleaning a cup
白人研究員在綠色田野中進行害蟲控制時,身穿防護服的男子拿著試管
白人研究者身穿防护服的男子在绿色田野中进行害虫控制时拿着试管和树枝
animation of data processing and chemical formula over caucasian female scientist with test tube
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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
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
vibrant liquids reacting with smoke in beakers
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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
白人研究人员穿着防护服在绿地进行害虫控制时使用平板电脑和笔记本电脑
animation of mathematical equations over scientist holding beaker
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