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免費 化学 視頻 - 頁面 2

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animation of molecules spinning over blue liquid pouring into laboratory beaker
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beakers being filled with liquid and capsules
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abstract hexagonal technology background
moving 3d abstract shapes
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animation of data processing over beaker with blue liquid
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dna double helix and molecule models
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
pouring liquid into beaker with molecular structure animation in laboratory setting
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scientist putting chemicals into tubes
test tube with blue background, 3d rendering.
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animation of white molecules floating on blue background
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animation of dna strand and data processing over beaker with liquid
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靠近清晰的液體滴入化學試管,標記有測量
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animation of molecules over female scientist with test tube in laboratory
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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
chemical molecule with blue background, 3d rendering.
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chemical instruments with biotechnology concept, 3d rendering.
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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
animation of chemical formula over bubbles on blue background
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digital composite of 3d molecules and chemical liquids
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animation of scientific data processing and chemical structures over laboratory beakers
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pouring liquid into beaker, chemical structures and formulas in background animation
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digital composite of two beakers and the binary system
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beakers being filled with liquid and capsules
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科學家在科學實驗室進行水處理純度測試
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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
laboratory worker preparing experiment at lab
chemical molecule with blue background, 3d rendering.
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blue abstract bubbles rising in liquid
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abstract hexagon background
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
test tubes and other lab glassware scroll seamless loop on blue with flying glitters aromatherapy concept or chemical background - 60fps 4k uhd 3d loopable animation
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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
abstract blue flower with water drops
abstract green bubbles background
animation of molecules spinning over liquid pouring into laboratory beaker
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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
redheaded doctor in front of camera on gray background.
animation of molecule structures over liquid moving in laboratory flask against blue background
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test tubes with samples in a rack 4k
modern science laboratory apparatus abstract plexus.
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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
medical capsule with biomedical concept, 3d rendering.
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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
scientific chemical laboratory equipments, 3d rendering.
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animation of data processing and chemical formula over beakers
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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
medical ampoules on conveyor line
chemical solutions in laboratory flasks
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molecules and biology, biological concept, 3d rendering.
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