通道
The Channel region can be found on the left side of the timeline. It is used to organize channels and control channels as a whole. The visibility of this region can be toggled with View ‣ Channels
The name of the channel, this can be changed to help with project organization by double clicking on the name.
Disable all the strips in the channel from having an affect on the render. Note that individual strips can also be muted which is different than muting the whole channel.
Prevent any modifications the strips in the channel. Note that individual strips can also be locked which is different than locking the whole channel.