The brand serves as Official Timekeeper for the Diamond League at all of the events in this, its second season.

该品牌成为钻石联赛第二个赛季的所有赛事的官方计时钟表。

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The feat was recorded on video and scored by an official timekeeper, validating it for Guinness World Records purposes, said Sara Spaulding, spokeswoman for event sponsor Jump Mobile.

大赛赞助商Jump Mobile公司的发言人莎拉·斯伯丁说，比赛全过程有现场录像，并有官方计时员为选手计时，目的是为《吉尼斯世界纪录》提供依据。

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Should a shot clock be introduced, both players will be "on the clock" and there will be an official timekeeper for the duration of the match. Normally there will be a warning when 10 seconds remain.

比赛中会有一名工作人员(裁判或场外专职人员)或专门的计时设备进行记时，通常会在剩下10秒时作出一次提醒。

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The Swatch Group brand, Omega, is the official timekeeper for the Olympics, which meant that the company had major marketing expenses during the 2012 London Summer Olympic Games.

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Rolex, however, gets the last laugh, as it is the official timekeeper for the whole of Formula One, which must rankle with all of the brands such as Hublot and Richard Mille which have their own deals with teams or individual drivers.

WSJ: This Sporting Life

Subsequently he was ever present as a track official or timekeeper.

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