笔者在陈述20世纪的元曲研究时，称得者少，述失者多。
Author when statement the 20th century's Yuan verse research, calls are few, states losing to be many.
元曲研究在20世纪的中国戏曲研究中，占有最为重要的位置。
Among the study of Chinese opera in the 20th century, Yuan opera studies occupy the most important position.
戏曲研究成为20世纪文学艺术研究的“显学”，元曲研究贡献尤多。
The drama studied into the 20th century literary arts research "the famous doctrine", the Yuan verse research contribution were especially many.
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