有优良的消侧音电路，对讲声音清晰。

High-quality circuit to promise sharp clear voice.

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本文阐述了侧音测距信号设计，相位跟踪等理论。

This thesis introduces design of side tone range acquisition signal and phase trace theory.

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同时有双侧感音性听力下降。

He also had bilateral sensorineural hearing loss.

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同时有双侧感音性听力下降。

He also had bilateral sensorineural hearing loss.

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