A singlebreak of serve settled the first two sets.
前两盘的比赛都是靠破掉对方一个发球局而分出胜负。
2
The statistical results show that the triple breaks vacuum interrupters in series have the lower breakdown probability compared with the singlebreak one.
击穿统计特性试验研究表明，三断口真空灭弧室相比单断口真空灭弧室具有更低的击穿概率。
3
The second set, which did not have a singlebreak of serve, was overshadowed by an incident which saw Federer come face to face with a court invader at the start of the fourth game.