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实验用喷雾干燥机玻璃厂家
添加时间:2020/1/14 16:46:33

  北京朗德科技有限公司在我院计量产业园区声学实验室进行智能通信终端音频检测系统调试,并对我所技术人员进行手机GSM、TD-SCDMA、WCDMA、VOLTE制式及蓝牙音频性能测试培训。实验用喷雾干燥机玻璃厂家

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  此外,音频通信终端是通信系统中应用较为广泛的一类通信终端,它可以是应用于普通电话交换网络PSTN的普通模拟电话机、录音电话机、投币电话机、磁卡电话机、IC卡电话机,也可以是应用于ISDN网络的数字电话机以及应用于移动通信网的无线手机。实验用喷雾干燥机玻璃厂家