The competition area must be flat and devoid of hazard.
比赛场地必须是平坦且无危险。
Competitors must remain quiet when inside the designated competition area.
参赛者在指定的比赛区域中必须保持安静。
Once the refereeing officials leave the competition area, it will not be possible for anyone to request for review or to change the decision.
若裁判人员离开竞赛场地，将不得要求检视或更改结果。
Once the refereeing officials leave the competition area, it will not be possible for anyone to request for review or to change the decision.
若裁判人员离开竞赛场地，将不得要求检视或更改结果。
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