But at the same time, it has been found that the correlation changes when magnetizing direction deviates from the direction of stress, or magnetizing strength increases, even a contrary trend will advent in a special situation.

• 但同时也发现随着磁化方向与应力方向的偏离，或是随着磁化强度的变化，这种相关性会发生变化，在特定条件下甚至出现相反变化趋势。