The associated number of a node is the number of edges from that node to the furthest node from it. A low number indicates a high degree of connectivity; for an example of its use, see Wood (1975) Geografiska B 57, 109–19.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。