游泳比赛的主办者可以决定是采取一次出发有效规则或两次出发有效规则。

The organizers Of the swimming meet Can decide whether the event shall be with the one start rule or the two start rule.

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当采取两次出发有效规则时，游泳运动员第一次出发犯规会被出发裁判员召回，并警告他们不要抢跳。

When using the two start rule, the starter shall call Back the swimmers at the first false start and remind them of not starting before the starting signal.

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本规则依然有效。

The rule still stands.

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