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白人孩子在电路板套件中测量电流
electrophysiological testing
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incoming wires are attached to solar power controller, closeup view
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doctor using ultrasound machine
a close-up view of a laboratory workspace where a technician is adjusting a digital soldering station, the table is scattered with various tools, a microscope, and other electronic equipment
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內靜脈激光切除是一種常用且非常有效的微侵襲性治療方法,用於治療腿部 varicose 腫瘤
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非常近距離的黃色 led 閃<unk>
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medical monitor interface with heartbeat
學生在學校做工程項目
student learning how to programing robot
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abstract light waves
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man using a multimeter to measure the voltage of the batteries
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hand-drawn lightning bolt
靠近一個黃色導光二極管被開關啟動
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crop doctor taking blood from vein of patient
laboratory technician analyzing blood plasma 4k
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hands with gloves stripping a fiber optic cable with a wire stripper removing the coating of the fibre line
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調節實驗室電池電源的電壓
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close-up view of of medical vials sealing with fire
doctor looking dna molecule on computer
animation of dna strand on black background
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stock market trends
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blue heartbeat ekg graphic
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两名学童在做工程项目的近距离拍摄
man and woman doing control at brewery
view of sticks and buttons on the control panel of hospital scanning system
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electrical tester diy electrician tool
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ophthalmologist opening a drawer with lenses
智能儿童<unk>接电路板的近距离拍摄
zoom into oscilloscope as it displayswaves on screen
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solar panel manufacturing line. manual checking
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cardiogram cardiograph oscilloscope screen loop 4k
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兩個孩子在做工程課題的近距離拍攝
heartbeat screen device showing heart rate in clinic. intensive care closeup.
manufacturing process automation control panel
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電子工程工作空間,包括麵包板,導線和多元計
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digital cgi heartbeat lines illuminated in purple
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close up view of paramedic hands putting holter electrodes on man body
auto mechanic shop for the change and repair of tires
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脊椎椎間板裂縫是脊椎之間的緩衝和連接組織的損傷,通常是由脊椎過度壓力或創傷引起的
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vertical shot of students hands as they work on engineering project
校友用<unk>子压紧锡<unk>线的近距离拍摄
industrial control panel with operator
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ai retro television sets with overlayed film glitch textures
electrician student checking voltage and amps with multimeter
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兩個聰明孩子坐在辦公桌旁做項目工作
visual effects, vfx, blue particles energy cross on black background 3d animation
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close up view of paramedic in gloves providing medical help
a close-up shot of a grey and black physiotherapy device
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intro abstract background design animated wave texture motion graphic style colors 4k 3840x2160 ultra hd uhd video unique movie film for logo and video editing motion after effects art
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