极低频率电磁场
Extremely low frequency electromagnetic field
超低频电磁场
extremely low-frequency magnetic fields
超高频电磁场
radio frequency electromagnetic field
低频电磁场
low frequency electromagnetic field
Low-frequency electromagnetic field
Low frequency transduction pulsed electromagnetic fields
电场频率
the frequency of electric field
电磁频率
electromagnetic frequency
electromagnetic oscillation frequency
高频电磁场
High-frequency electromagnetic fields
high frequency electric field
high frequency electro magnetic field
high frequency electromagnetic field
High-frequency electromagnetic field
High frequency electromagnetism field
high frequency electro-magnetic field
工频电磁场
Power frequency electromagnetic field
power-frequency electromagnetic field
power frequency electromagnetic fields
industrial frequency electromagnetic field
frequency electric and magnetic field
Power frequency magnetic field
power frequency electromagnetic
power-frequency electromagnetic fields
electromagnetic fields
50 Hz-electromagnetic Field
Extremely low frequency(ELF)electromagnetic field
ultra low frequency
Extremely low frequency
极低频电磁场
ELF electromagnetic fields
extremely low frequency electromagnetic fields
Extremely low frequency electromagnetic field
exeremely low frequency electromagnetic fields ELF
aubusson tapestry
Extremely low-frequency electromagnetic field
electromagnetic fields
extremely-low-frequency electromagnetic fields
extremely low freqnency electronmagnetic
雷电电磁场
lightning electromagnetic field
雷电电磁场的空间分布
Distribution of LEMP above Ground Level
频率电磁测深
Frequency electromagnetic sounding
射频电磁场
Radiofrequency electromagnetic fields
radio frequency electromagnetic field
RF Field
Radiofrequency electromagnetic
RF electromagnetic field
射频电磁场辐射抗扰度
radiated radio -frequency electrom agnetic field immunity(RF -EMS
射频电磁场辐射抗扰度(RFEMS)
Radiated radio-frequency electromagnetic field immunity (RFEMS