Medium Vertical Portrait Shot Of Caucasian Female Scientist Or Professor With Tablet Computer Standing On Stage By Projector Screen Before Speaking At Conference Turning To Camera SmilingÂ
Medium vertical shot of Middle Eastern male scientist in glasses, suit standing by projector screen on stage at conference, speaking about research, demonstrating graphs and charts
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Medium portrait shot of Caucasian female scientist or professor with tablet computer and headset microphone standing by projector screen, giving lecture on biochemistry, turning to camera and smiling
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Medium footage of mature Middle Eastern man in glasses, suit standing by projector screen on stage at conference, speaking about scientific research on biochemistry or pharmacology
Cheerful woman gesticulating and speaking while turning around in spotlight during performance on stage in theater
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Medium footage of Middle Eastern male scientist or professor standing next to projector screen with presentation slide, giving lecture on biochemistry at university or conference
Mature female professor discussing medical technology innovations at conference
Man in a yellow suit at the stage speaking business conference artist
Person turning on and testing microphone and speaking into it against black background.
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Medium full vertical shot of Caucasian female scientist or professor giving lecture on biochemistry at university or conference, asking questions and interacting with audience
Tracking shot of aged man in sweater speaking and gesticulating while turning around in spotlight on stage during performance in dark theater
Person tapping microphone and speaking is this thing on in slow motion then turning it off.
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Full vertical shot with reflection of male scientist presenting innovative research on stage to doctors at medical conference, showing slides on projector screen, audience clapping hands