Trim Before / Trim After
修剪前/修剪后
Use these settings to delete all keys on selected tracks before or after the current time in the animation (i.e. the location of the Timeslider). Any keys located at the current time in the animation will not be deleted.
使用这些设置在动画的当前时间(即 Timeslider 的位置)之前或之后删除选定轨道上的所有键。动画中位于当前时间的任何键都不会被删除。