At last, the error recovery will be limited to the local network by the regional grouping and hierarchicaltreestructure.
最后，采用按区域分组和层次树的结构，将差错恢复的进行限制在了局部网络。
2
Describes the assembly information of aircraft wing using Object-Oriented method, and establishes a uniform wing assembly hierarchicaltreestructure.
采用面向对象技术描述机翼装配信息，建立了统一的机翼装配阶层结构树。
3
Discover the hierarchicaltreestructure classes by finding the class in the Model Explorer, double-click to open the class in the editor, and press F4 to open the hierarchy tree.