When overridden in a derived class, gets the collection of annotations associated with the track point.

在派生类中重写时，获取与跟踪点关联的批注的集合。

youdao

When overridden in a derived class, gets the collection of annotations associated with the track point.

在派生类中重写时，获取与跟踪点关联的批注的集合。

youdao