短語詞組短語planar vector magnetic field 平面矢量磁場Vector Magnetic Field Probe System - 矢量磁場探針系統(tǒng)net magnetic field vector 凈磁距Magnetic field vector control 磁場矢量控制magnetic field vector synthesis 磁場矢量合成perturbation of magnetic field vector 磁場矢量擾動Cosmic magnetic field vector potential 宇宙磁場矢勢 返回 vector magnetic field