h-field antenna 磁场天线

Hz H-Field Immunity 工频磁场抗扰度

H Magnetic Field Intensity 磁场强度

DEPTH H OF FIELD 景深

magnetic field strength H 磁场强度 ; 磁场强度h ; 或磁场强度H

earth h magnetic field 地磁场 ; 地磁场地球磁场

depth h of field preview 景深预测

earth h magnetic field jamming 地磁干扰

magnetic field intensity h 磁场强度h