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adj.电声的
1、Measurement of electroacoustical characteristics of hearing aids with induction pick-up coil input───具有感应拾音线圈输入的助听器电声特性的测量方法
2、Measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits───具有自动增益控制电路的助听器电声特性的测量方法
3、Hearing aids - Methods for measurement of electroacoustical characteristics───助听器.电声特性测量方法
4、Sound system equipment - Electroacoustical transducers - Measurement of large signal parameters───声音XiTong设备电声变换器大信号参数测量
5、TL690 the foldaway FM/AF numeral demonstrated the wireless earphone uses the electromagnetism trade technology as the electroacoustical transformation way.───TL690折叠式FM/AF数字显示无线耳机采用的是电磁换能技术作为电声转换方式。
1、TL690 the foldaway FM/AF numeral demonstrated the wireless earphone uses the electromagnetism trade technology as the electroacoustical transformation way.