induction loop meaning in English

环线感应系统；感应环线；导听系统

Magnetic field strength in audio - frequency induction loops for hearing aid purposes
助听器用音频感应回路的磁场强度
Induction loop system
环听式感应系统
Hearing aids - magnetic field strength in audio - frequency induction loops for hearing aid purposes
助听器.助听用音频感应环路的磁场强度
Hearing aids . part 4 : magnetic field strength in audio - frequency induction loops for hearing aid purposes
助听器.第4部分:助听器的声频感应回路中磁场强度
Hearing aids . part 4 : magnetic field strength in audio - frequency induction loops for hearing aid purposes
助听器.第4部分:助听器用音频感应回路中的磁场强度

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