采用全数字技术传输音频，避免同频干扰，提高无线话筒的实用性。
The machine adopts digital technology transfer audio, avoid with frequency interference, improve the practicability of wireless microphones.
采用全数字技术传输音频，避免同频干扰，提高无线话筒的实用性。
The machine adopts digital technology transfer audio, avoid with frequency interference, improve the practicability of wireless microphones.
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