mag·ne·tron /ˈmægnəˌtrɑn/
  磁電管
  mag·ne·tron /ˈmægnəˌtrɑn/ 名詞
  磁控管
  magnetron
  磁控管	MAG;M
  magnetron
  *磁控管
  magnetron
       n : a diode vacuum tube in which the flow of electrons from a
           central cathode to a cylindrical anode is controlled by
           crossed magnetic and electric fields; used mainly in
           microwave oscillators