At the group level,the path repository provides path summaries and class hierarchies,to store the element/attribute OIDs which are the specific information owned by the subtree rooted in index class, while the element/attribute OIDs inherited are stored at upper level to enable early prun.

Study on the way of coal enterprise developing circular economy;

The Development Trends and Feasible Ways of Modern Agriculture in Hebei Coastal Region;

The Optimization of the Punching Path in Sheet Metal Products;

Research on the path and strategy of Gaozhou Hospital;

Approach of Psycholosical nursing path via applying peplan s interpersonal theory;

Choice of the route to percutaneous intravascular port catheter system implantation in the treatment of liver cancer;

Route Choice of Chinese Railroad Signal for the Future;

Expcession and application of route system in public transportation network;