It is in sports, especially in professional football referee system of organization and management associations regulation and judicial intervention is the use of the system easier.

它在体育领域特别是职业足球裁判组织管理制度方面的社团治理和司法介入更是运用的得心应手。

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Seeing that a lot has been said about videotape evidence in recent days, perhaps the moment has come to reverse the system and also use it to evaluate certain decisions made by the referee.

既然现在有比赛录象，那我们现在也应该使用录象来评估裁判的处罚是否正确。

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On receiving the player's challenge the Umpire will signal the Referee who will review the line call using the Instant Review system.

在接到运动员挑战“鹰眼”的要求后，裁判员需示意裁判长，由裁判长根据“鹰眼”（即时回放系统）的显示作出裁决。

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Ian Blanchard, the Senior National Game Referee Manager, says that even one assault a season is too many and they have a comprehensive support system in place for any referee who has been attacked.

BBC: Rise in attacks on grassroots football referees

The leader of the Russian republic of Chechnya has apologised for using a stadium public address system to insult a football referee during a match.

BBC: Chechen leader Kadyrov sorry for stadium PA outburst

Like the Hawk-Eye system it uses a computer to send a signal to the referee's watch when a goal is scored.

CNN: Does football need technology?