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信息的可擦重写磁光记录方式克服了磁记录方式信息密度较小的缺点，本文从磁记录原理出发介绍了磁光记录的原理及其近期发展，概述了这两种技术对记录介质的技术要求，并对记录材料的最新进展进行了述评．
The erasable and rewritable magneto-optical recording method overcomes the shortcoming of less information density in the magnetic recording mode. This paper introduces the principle of magneto-optical recording and its recent development from the principle of magnetic recording, and summarizes the effect of these two technologies on the recording media Technical requirements, and reviewed the latest developments in recording materials.