1. Interactive navigation and display of the hierarchical archive structure. ����ʽ��������ʾ�IJ�νṹ�浵��
2. This paper brings out a video content hierarchical description model based on video objects. ���������һ�ֻ�����Ƶ�������Ƶ���ݷּ�����ģ�͡�
3. The problem arises when the user interface attempts to accurately represent the concepts of recursion, hierarchical data, or multithreading. ���û�������ͼ��ȷ�ر���ݹ顢������ݻ��߶��߳���Щ����ʱ������ͳ����ˡ�
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adj.
1. classified according to various criteria into successive levels or layers