optical superheterodyne receiver
超外差光接收机

• immersion series
• immigratimg
• immiscibilty
• immittance
• immunity
• immunofluorescence
• impack ionization
• impact
• impact agitation
• impact-broadening
• impactexcitation
• impact fluorescence
• IMPATT diode
• impedance
• impedance-coupled amplifier
• impedance coupling amplifier
• impedance matching
• imperfect earth
• Imperial standard wire gauge
• zone location
• zone melting with laser
• zone of diffuse scattering
• zone of opacity
• zone of reflections
• zone of residual spherical abberation