An evident progress has been obtained recently in the study of photomagnetic effect (PME) since it was first studied in the late sixties.
光
研究始于六十年代末,它是光的一种逆。
An evident progress has been obtained recently in the study of photomagnetic effect (PME) since it was first studied in the late sixties.
光研究始于六十年代末,它是光的一种逆。
声
：以上例句、词性分类均由互联网资源自动生成，部分未
工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
