1)pnp type transistor,正-负-正晶体管2)npn type transistor,负-正-负型晶体管3)positive crystal,正晶体4)tetragonal crystal,正方晶体5)extrasomatic positive and negative pressure,体外正负压6)negative impedance transistor,负阻晶体管
用法例句
In view of the features of the negative impedance transistor NEGIT,the photo negative impedance transistor PNEGIT has been designed and fabricated.