The net shall be suspended by a cord attached at each end to an upright post15.25cm high the outside limits of the post being15.25cm outside the side line .

球网应以一条绑在两侧网柱高15。 25公分处的悬网绳挂之，网柱外缘须离边线外15。 25公分。

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The net destined to support the car was made of very solid hempen cord.

承受着吊篮的网子是用非常结实的麻绳编的。

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But Spanish ace Nadal kept battling and got a lucky break in the fourth game of the decider as his U.S opponent's return hit the net cord and bounced back on his side of the net to fall down a break.

CNN: Tennis: Nadal survives scare as Djokovic goes out

But Berdych had some bad luck when a net cord bounced out and Djokovic closed out the set.

BBC: Novak Djokovic makes short work of Berdych in Melbourne

The "let" was also quickly introduced, giving the player a second chance when his delivery hits the net cord and falls into the correct service box.

CNN: A short history of tennis: Henry VIII to Federer the great