electron stream transmission efficiency
electron switch = electronic switch
electron synchrotron
electron telescope
electron theory
electron trajectory equation
electron transit angle
electron transit time error
electron transition
electron trap
electron tube
electron tube instrument
electron tube transducer
electron tunneling
electron vacancy
electron velocity analyzer
electron-volt
electron voltaic effect
electron wave
electron wave tube
electron wavelength
electronegative
electronic
electronic admittance
electronic amplifier
electronic analog computer
electronic apparatus
electronic automatic frequency control
electronic banking
electronic beam processing