One view controls how the threaded view looks, and the other view ACTS as the response hierarchyindex.
一个视图控制主题视图的外观，另一个视图作为回复层次结构的索引。
2
This paper examines the class hierarchyindex, nested-attribute index, path index and multiindex, and puts forward the corresponding algorithms of index maintenance.
本文研究类层次索引、嵌套索引、路径索引和多重索引 ，并给出相应的索引维护算法。
3
Browse each category to see the hierarchy of general tasks and their supporting child tasks, or use the powerful search and index functions to browse information by keyword.