多重公差数列探微四川省富顺师范李显权众所周知，等差数列是一种性质优美而应用广泛的重要数列．近些年来，不少文献对等差数列的拓展与推广作了大量研究，但大都是从处理数列的项的角度来进行的（如升阶或按项分组等）．本文从变化数列公差的角度入手，首先建立多重公差... An Exploration of Multiple-Tolerance Arrays Li Xianquan, Fushun Normal University, Sichuan Province, Sichuan Province, China As we all know, the arithmetic progression is an important series of beautiful and extensive applications. In recent years, many literatures have done a lot of research on the expansion and promotion of arithmetic series, but most of them have been done from the perspective of dealing with the items of the series (such as the ascending order or grouping by items). This article starts from the perspective of varying the tolerance of the series, first establishing multiple tolerances...