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1·Contra Dance studied in this dissertation is a form of dance by pairs of dancers.

本论文所研究的“对舞”，是两人一组的舞蹈形式。

2·Contra Dance studied in this dissertation is a form of dance by pairs of dancers, which involves social function and self-entertainment.

本论文所研究的“对舞”，是两人为对的舞蹈形式，是具有社交功能的自娱性舞蹈。