判定27/11 一名球员有权在发球台打一个临时球，这个临球停在了与原来的球同样的区域。
Decision 27/11 A player entitled to play a provisional ball from the tee plays it into the same area as his original ball.
发球落点区域主要集中在中区，中区及后左区得破率相对较高。
Serving placement region mainly concentrates in the central district, the break rate of central district and the left district is relatively high.
6个发球落点区域占局发球数的比例都具有显著性差异。
The proportions of the 6 placements to the number of service are of significant differences.
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