The structure and functions of the geographical system in the man-land relationship in terms of connection efficiency,link efficiency,evaluation yardstick for the regional structure and yardstick effects are closely related.

• 人地关系地域系统理论中的连接度与连结度、区域结构优劣的评价尺度、尺度效应三点对人地关系地域系统的结构与功能联系是十分紧密的,本文主要提出其概念、影响因子、两者的关系与数量化的计算及其实际意义;