A comprehensive weighing-addition analysis of varieties of factors contributing to the classification of grades of the cities shows proximately 1:2:4 as the proportion of the grading number of cities in the county in the late East Han Dynasty.
A comprehensive weighing-addition analysis of varieties of factors contributing to the classification of grades of the cities shows proximately 1:2:4 as the proportion of the grading number of cities in the county in the late East Han Dynasty.
运用加权法对影响城市等级关系的多种要素进行综合分析，得出西汉末年东海郡城市等级数量之比接近于1:2:4。