books غلاف إلكتروني
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# electronic cover
# e-mail
# electronic espionage
# electron microscope
# electronic payment
# electronic brain
# electronic ignition
# electronic valve
# electronic advertisement
# electronic cafe
# Electron microscope
# electronic publishing
# website
# Modern digital electronic elevator
# E-Marketing
# Creating and designing a website
# Issue 11 letter
# Email services
# electronic manufacturing
# e-learning
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غلاف الكتروني (Info)
غلاف الكتروني:- حيز يحيط بنواة ذرة، تتحرك فيه الإلكترونات على بعد من النواة متوسطه معلوم . (معجم الكيمياء والصيدلة (ج١))
