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２００１年澳网赛是首次使用增大的网球 进行比赛的大满贯赛事。球的大小 变化几乎看不出与过去常用的网球有什么区别。但实际上却影响了一批参加澳网赛的运动员的成绩。但另一方面，网球增大又提高了比赛的观赏性，极大地吸引了观众。此次澳网赛的票房记录创历史新高。 网球运
The 2001 Australian Open is the first Grand Slam tournament to take place with increased tennis. The size of the ball changes almost can not see the tennis used to be any difference. It actually affected the performance of a group of athletes participating in the Australian Open. However, on the other hand, the increase of tennis and the appreciation of competition have greatly attracted the audience. The Australian Open box office records record highs. Tennis