Indeed, the levels of overall coloration and listening fatigue for this system during all musical and vocal tests remained extremely low, and testament to the excellent transducer design parameters.

的确，在所有的音乐和歌唱的测试期间对于这个系统的整体赋色和听觉疲劳水平保持非常的低，还有对卓越的变频器设计参数的测试结果。

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Common symptoms include vocal fatigue, throat discomfort associated with speaking, hoarseness, as well as a chronic cough due to aspiration (food or liquids going down the trachea or windpipe).

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