单词	群聚抽样
释义	群聚抽样Cluster Sampling双向☞集群抽样--群聚抽样
随便看	magnetic field balance magnetic field coenergy magnetic field coil magnetic field configuration magnetic field cooling magnetic field czochralski method magnetic field effect magnetic field effect transistor magnetic field equalizer magnetic (field) gradient magnetic field gradient magnetic field index magnetic field induced surface state magnetic field intensity magnetic field interference magnetic field line magnetic field measurement magnetic-field measurement magnetic-field meter magnetic field of force magnetic field of galaxy magnetic field of the earth magnetic field probe magnetic field quenching magnetic fields