Methods an s - curve figure and spreading coefficient were introduced to compare equality of heath distribution in different population 方法引进了s曲线和分布系数来比较不同人群健康分布的公平性。
2.
The algorithm introduces diagonalization to reduce time in forming local spread coefficient and enhance the computing efficiency 新型算法引入对角化概念，减少了形成局部展开系数的时间，提高计算效率。
