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Different from other types of social networks, close social network have its own topologic features and propagation
principles, and it is very common in social life, so it is worth research in depth. Student’s network is a typical close
network and suitable as a research object. The traversal of social network has been an important subject of social network
analysis, and whether spatial factor is influencing factor need to verify. The importance of the topology characteristic
value in student’s network traversal process is analyzed. Finally, the concept of vitality is put forward to illustrate spatial
influence of traversal based on high close student’s network.