扬声器系统类型，您应该准备花更多。
Type of speaker system you should be prepared to spend more.
扬声器系统没声音。
事实上，这是不是最好的扬声器系统我所听到的。
叙述扩声系统用的扬声器组阵。
In this paper, the loudspeaker array in the public address system is described.
系统内可多方同时通话，且通话不通过扬声器向外广播。
The system can realize multi-user call and the sound may not spread from the speaker.
系统内的呼叫通过扬声器网络完成。
The call of the system can realize with the network of speaker.
系统内的呼叫通过扬声器网络完成。
The call of the system can realize with the network of speaker.
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