... 频率响应 frequency response 选频振铃；谐频振铃 frequency ringing; harmonic ringing 频（率）标（度） frequency scale ...
基于8个网页-相关网页
voice-frequency ringing 声频振铃
voice frequency ringing set 音频振铃设备
incoming voice frequency ringing 呼入音频振铃
ringing frequency 振铃频率 ; 自振频率
outgoing voice frequency ringing 呼出音频振铃
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