聚焦四极磁铁  focusing quadrupole magnet

脉冲四极磁铁  Pulsed quadrupole magnet

偶极-四极效应  dipole-quadrupole effecty

四极磁铁  Quadrupole magnets; quadrupole magnet; quadrupole

四极-四极力  quadrupole quadrupole force

斜四极磁铁  skew quadrupole magnet

旋转四磁极磁化场  Key words: Rotary quadrapole magnetized field

磁极长度  magnetic length

双极之有效长度  DIPOLES; effective length of

T形件有效长度  effective length of T-stub

车架有效长度  chassis frame useful length; door width

电枢绕组导线的有效长度  active length of armature winding

光通道有效长度  amicable orthogonal design

轨道有效长度  effective length of track

活动时间有效长度  active length

货厢有效长度  loading length; loading space length

接收天线有效长度  effective length of receiving antenna

净有效长度  clear effective length

菌丝有效长度  effective length