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.

方法用频闪镜显示患者貌和声带的动态变，用声门分析仪检测患者发声的频率、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.

法频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频率、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腔全貌和动态变，用门检测并记录患者发频率、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动态变，用声门分析仪检测并记录患者发声的、调和域。

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.

方法用频闪喉患者喉腔全貌和带动态变，用门分析仪检测并记录患者频率、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.

方法用显示患者腔全貌和声带动态变，用声门分析仪检测并记录患者发声、音调和音域。