电偶极子

31结束电偶极辐射之讨论。定性解释电四极特性及磁偶极辐射。

localisation of trains or vehicles, electric

casting out nines (casting-out-nines) error detection in electric digital computers

circulation pump for heating installation, electric

electric fabric cutter【服装】

explosion-proof electric hoist

electric grab

electric dipole moment

electric engine