The International Tennis Federation(ITF) is the governing body of the game of tennis and its duties and responsibilities include determination of the Rules of Tennis.
国际网球联盟（ITF）是网球比赛管理机构，其职责义务包括确定网球运动相关规则。
The biggest news was that the Russian tennis team nearly missed the Olympic Games for the many of them did not pass the new rules of the urinalysis.
最大的新闻是，俄罗斯网球团队差点就错过了奥运会，因为很多人没有通过尿检的新规则。
The committee laid down rules about the size of tennis courts.
委员会制定了关于网球场面积的规则。
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