Physics, electronic engineering, mathematics equation, scheme and calculations, endless hand writing. Vector blackboard. Technology background.
Palabras clave
science,
physics,
engineering,
mathematic,
blackboard,
blueprint,
vector,
blackboard,
background,
circuit,
college,
complex,
educate,
education,
board,
calculation,
chalk,
educational,
electrical,
electricity,
electronic,
equation,
formula,
geometry,
hand-drawn,
handwriting,
handwritten,
high technology,
icon,
cognition,
learn,
lesson,
mathematic,
number,
radio,
relation,
research,
scheme,
school,
signs,
solution,
symbol,
technical,
university,
wallpaper,
white,
pattern,
algebra
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