Besides deciding challenges, Hawk-Eye also offers various statistics, like serve direction and placement, shot comparisons and player movement tracking information.

除了确认挑战有效与否，鹰眼还提供各种统计数据，如发球方向和落球点、击球比较和球员移动路径。

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But then again, action completely stops in tennis every few second between points, so how something like Hawk-Eye would fit into soccer remains to be seen.

不过在网球比赛中，每个球之间会有几秒钟的停顿，所以类似鹰眼系统的技术能否适应足球比赛，仍有待考察。

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Hawk-Eye involves 10 cameras placed around the court, with five looking at each end.

鹰眼由环绕球场的十台照相机组成，在每一端有五台照相机。

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Hawk-Eye was bought by electronics giant Sony in 2011, but remains a relatively small company.

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Hawk-Eye, owned by World Cup sponsor Sony, is among the approved frontrunners for the commission.

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The Hawk-Eye system is extensively used in tennis, using cameras to calculate the trajectory of the ball.

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