Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
在喉高速摄影录像中，测量声带内收、声带发声启动、声带振动及声带外展的过程
