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免費抗原測試視頻 - 頁面 4

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drop of blood falling into test tube of water

a woman takes a sample from a test tube in an analysis laboratory

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caucasian female doctor in safety goggles and mask holding flask with pills.

a young female scientist in a lab coat is working in a laboratory, she is holding a pipette and wearing gloves

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animation of moving clock over caucasian female scientist

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scientist handling test tube with blue liquid

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科学家戴着蓝色手套在研究实验室中将尖端重新装载到多通道管道上, 4k

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student taking notes in a chemistry lab

一位年輕的黑人醫生為一個男人測血壓

在實驗室中檢查血液樣本

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穿制服的技術人員進行血液檢查 1

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女科學家在實驗室做實驗拿著試管的科學家 1

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detailed blood test procedure in a clinical setting by a healthcare professional

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demonstrating sodium acetate crystallization in a lab setting

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poster in an ophthalmology clinic

醫生對新冠病毒的測試結果是陰性

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doctor prepares blood test tube with precision in a clinical setting

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male patient breathing oxygen mask lying in bed. closeup doctor hands use tablet

medical professional in ppe taking notes

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氣泡進入油箱

lab technician performing analysis

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新冠病毒疫苗的瓶子

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

实验室技术人员进行尿液检测 7

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氣泡在管道上移動

epilating a woman's arm

female doctor uses a cotton swab to test a male patient for coronavirus.

lab experiment with a beaker and pipette

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laboratory samples and equipment

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hardware procedure in cosmetology. peeling, phonophoresis, massage and facelift in a beauty clinic. cosmetologist smoothes wrinkles with microcurrent.

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女科学家手里拿着管子和液体瓶子 12

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doctor looking dna molecule on computer

three covid antigen rapid tests, two positive and one negative

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在實驗室進行新冠病毒陽性測試

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experienced doctor showing seperated blood contents in vial container after centrifugating

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doctor testing covid19 patient for virus in hospital infectious unit closeup.

疫苗接种结束后,covid-19 疫苗的接种结束

abstract 3d render of pink ribbons with red and silver spheres

a healthcare worker processes covid-19 rapid tests

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scientist working in a laboratory

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medical technician in gloves putting the reactuon tube on sample position of chemistry analyzer

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在實驗室工作中的科學家

doctor adjusting ophthalmoscope

chemistry analyzer machine needle probe sucking in diluent for clinical chemistry tests

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白人女性醫生戴著醫療面具坐在辦公室向男性病人解釋冠狀病毒肺病

一名身穿防护服的研究人员拿着几个试管

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戴手套的實驗室技術人員進行血液測試

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men mixing and preparing black paint

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ophthalmologist opening a drawer with lenses

scientist in laboratory, team

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