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免費 使用顯微鏡 視頻

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兩個戴眼鏡的聰明現代孩子在做項目工作
在實驗室裡用顯微鏡檢查細菌的科學家
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close up of microscope oculars being directed at a sample on a piece of glass. close-up shot of sample slide and microscope with metal lens at laboratory. high quality 4k footage
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科学家在实验室中用显微镜检查细菌 9
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male microbiologist, medical worker looks at blood sample through a microscope, makes analysis in laboratory. laboratory assistant conducts histological research of biomaterial using modern microscope
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adjusting the microscope with the rotary potentiometer. detail
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little boy and girl with face mask using a microscope. kids and science.
clinician adjusting knobs to focus on a microscope
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scientist hand writing on test beakers
kids and science. little boy and girl with face mask using a microscope.
young scientist looking through microscope in the lab
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scientist using a scanning electron microscope (sem)
crime scene site police photographer forensic scientist murder collect evidence
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在微鏡下放置幻燈片
female scientist looking through microscope in laboratory
scientist using microscope in laboratory
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科学家使用显微镜
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科学家在实验室中用显微镜检查细菌 3
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crime scene site police photographer indoors forensic domestic murder evidence
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scientist examining sample under microscope in laboratory
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male microbiologist, medical worker looks at blood sample through a microscope, makes analysis in laboratory. laboratory assistant conducts histological research of biomaterial using modern microscope
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望遠鏡對焦機制調整 (多布森望遠鏡)
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同學們在室內用燈泡一起做學校項目
medical workers analyzing patient heartbeat
scientist using a microscope in a laboratory
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scientist examining plant under microscope
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male microbiologist, medical worker looks at blood sample through a microscope, makes analysis in laboratory. laboratory assistant conducts histological research of biomaterial using modern microscope.
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戴眼鏡的年輕女子的肖像,她的子和手圍著一條白色寵物蛇,手在綠色背景上2
cures come in the smallest of samples
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female scientist working with microscope in a laboratory
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close-up shot of microscope at laboratory. researchers working in lab with microscope. examining of test sample under the microscope in laboratory. high quality 4k footage
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兩個瘋狂的孩子坐在辦公桌旁做項目工作
laser hair removal procedure on arm
scientist using a microscope in a laboratory
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laboratory worker preparing experiment at lab
ophthalmoscope
woman putting paper inside of an envelope
cleaner wiping indoor
操作顯微鏡的科學家 01
scientist using a microscope
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scientist using microscope and tablet in laboratory
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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
schoolgirl experimenting on microscope in laboratory
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一位科學家透過顯微鏡的鏡頭在醫學生物研究實驗室中觀察人類癌症細胞
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兩個中學學生一起做一個項目
用微鏡檢查樣本的近視圖 02
students using a microscope in a science classroom
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close-up view of a technician in a lab coat using a microscope and soldering tools to meticulously repair a circuit board
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scientist working with a microscope
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analytical chemists researching together
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