光磁效应研究始于六十年代末，它是磁光效应的一种逆效应。
An evident progress has been obtained recently in the study of photomagnetic effect (PME) since it was first studied in the late sixties.
光磁效应研究始于六十年代末，它是磁光效应的一种逆效应。
An evident progress has been obtained recently in the study of photomagnetic effect (PME) since it was first studied in the late sixties.
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