administrative boundary region的用法和样例：
- In Exchange 5.5 (and earlier), a site defined both the administrative boundary and the physical routing topology for a group of servers.
- This method chooses the boundary region of rough sets as the criterion of selecting partitional attributes and redefines the conception of confidence of leaf nodes.
- Secondly, misclassifications in the boundary region between the two classes are in fact unavoidable due to the complexity of TSA input dimension and the limitation of ANN.
- Environmental pollution transcends administrative boundaries.