Since then, several physics models have been suggested to explain the mechanism of CMR.However, the exact mechanism of CMR remains to be done.

• 多年来，围绕着钙钛矿中庞磁电阻的机理问题，人们展开了对钙钛矿锰氧化物的结构、电磁输运性质的研究，先后设想了多种模型。