This transparency aims primarily the visual and mental permeability designed to maintain constant relationship between the public and the magic green rectangle of the grasscourt or the athletic track.

透明度的设计主要是以视觉渗透性和心理渗透性为目标，维持公众与充满魔力的草地球场或运动场跑道之间的稳固关系。

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Wimbledon officials also inspected the facilities at another grasscourt venue, Halle in Germany, where the PVC fabric covering takes just 90 seconds to deploy.

BBC: SPORT | Tennis | Wimbledon to build roof

"She's not the best grasscourt player, " Sharapova said of her opponent.

BBC: SPORT | Tennis | Sharapova powers through opener