A brief review of existing theoretical models of this relaxation process developed by (1) Schoeck, (2) Seeger, (3) Wang et al. , (4) Magalas and Ngai, and (5) Ogurtani et al. is also presented.

• 同时；对由(1)Schoeck；(2)Seeger；(3)王业宁等人；(4)Magalas和Ngai；以及(5)Ogurtani等人发展的现有理论模型进行了简要的综述.