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- 假定在一舞会上,男士排成一队,女士排成一队。跳舞开始时,依次从男队和女队的队头各出一人配成舞伴。若两队初始人数不相同,则较长的那一队中未配对者等待下一轮舞曲。-Assume that in a ball, lined up a team of men, women lined up a team. Dance begins, followed by men s and women s teams from the teams head out of one pair each partner.