Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.

法用频闪喉镜显示患者喉腔全貌声带的动态变，用声门分析仪检测并记录患者发声的频率、调。

Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.

法用频闪喉镜显示患者喉腔全貌和带的动态变，用门分析仪检测并记录患者发的频率、调和。

Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.

方法喉镜显示患者喉腔全貌和声带的动态变，声门分析仪检测并记录患者发声的、和域。

Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.

方法闪喉镜显示患者喉腔全貌声带的动态变，声门分析仪检测并记录患者发声的率、域。

Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.

方法用频闪喉镜显示患者喉和声带的动态变，用声门分析仪检录患者发声的频率、音调和音域。

Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.

方法用频闪喉镜显示患者喉腔全貌和声态变，用声仪检测并记录患者发声频率、音调和音域。

Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.

方法用频闪喉镜显示患者喉腔全貌和声带的动态变，用声门分析仪检测并记录患者发声的频率、音调和音域。

Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.

方法用频闪喉镜显示患者喉腔全貌和声带的动态变，用声门析仪检测并记录患者发声的频率、音调和音域。

Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.

方法用闪喉镜显示患者喉腔全貌和声带的态变，用声门分析仪检测并记录患者发声的、调和域。