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免費 物質的特性 視頻 - 頁面 4

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高品質的 h2o 分子科學分子模型的 cgi 渲染,有簡單的黑色標籤和化學符號
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motion graphic of flat background for world environment day celebration
animation of falling molecules and spinning dna strand over white background
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mixing chemicals in bottles to observe reactions
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stunning nebula in deep space
年轻的女农业工程师穿着防护工作服, 站在树<unk>旁边, 垂直农场的绿<unk>苗, 触摸它们的叶子
animation of micro of molecules models over green background
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一支不可辨认的团队在办公室1讨论可再生能源项目
science experiment with colorful chemicals and dry ice
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animation of micro of molecules model over grey background
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scientist conducting an experiment
scientist mixing and pouring liquid into beaker
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animation of dna strand and numbers changing, medical data processing on blue background
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animation of 3d micro of molecules on blue background
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spinning globes with networking connection
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animation of data processing over beakers with liquid on grey background
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coloured liquids in containers on lab bench with moving data
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白人研究人员穿着防护服和防护眼镜的人在绿色的田野里敲打玻璃
bulbs start to glow forming pattern like abstract chrismas garland. blue waves runs across balls like in christmas garland, 3d abstract looped background with lot of gray spheres lay on plane.
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coloured liquids in containers on lab bench with moving data
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穿着金<unk>的疲倦女孩在健身房与朋友交谈的近距离镜头
女员工在办公室的黑暗房间里向同事解释图形的幻灯片
多種族企業團隊在辦公室1討論可再生能源項目
motion graphic of hand drawn circular economy infographic template
digital composite video of yellow stars spinning circles against chemical being poured into beaker
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motion graphic of hand drawn ecology concept background
animation of scope scanning over network of connections
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number 8 made of beads, glass balls, pastel pearls, crystal jewels and gold
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醫用藥片 白色表面
decoration in vintage shop
motion graphic of hand drawn ecology concept background
science illustration with globe, microscope, plant and compass
animation of chemical formulas over liquid pouring onto glass
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戴着面具的年轻男女正在进行商务视频通话,并展示带有图表和图表的文件
high quality cgi render of a scientific molecular model of a methane molecule, with space on the left of screen to add information or data
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animation of molecules and dna on black background
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两名学童在做学校项目时近距离拍摄
animation of molecules over laboratory dishes on white background
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animation of network of connections over chemical equipment
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animation of chemical formulas over network of connections
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colorful liquid with rising bubbles and vapor
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green bubbles background
neutron-induced splitting of atomic nucleus visualized
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风力涡轮机迷你模型和办公室桌上的房子模型
animation of micro of molecules models and laboratory beakers over white background
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animation of falling molecules over seascape
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教育和covid-19概念 第一部分
animation of moving grey dots over liquid pouring into lab glass
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animation of data processing and chemical formula over beakers
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vitamin b1(thiamine or aneurine). seamless loop.
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