The forming principle of elliptical hole and the ball surface is illustrated in this paper, and it also introduces the processing method to elliptical hole and the ball surface with universal miller.

本文阐述了椭圆孔及圆球面成形原理，介绍了利用万能铣床加工椭圆孔及圆球的方法。

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In golf terms, it means that you hit the ball, and it went right into the hole, so you only scored a one on that hole.

它是指非常成功的意思。在高尔夫里，这个句子是指只用一杆就把球打入洞中。

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As ball is farther from the hole but Bs ball last crossed the hazard margin farther from the hole than as ball.

的球本来离球洞更远，但B的球最后穿过了水障碍边缘比A的球距球洞更远了。

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"When pros aren't putting well they're trying to force the ball into the hole instead of rolling the ball down their line and letting the hole catch it, " said Kevin Weeks, another notable short-game guru.

WSJ: Tiger Woods Should Credit His Return to No. 1 on Improved Putt

Using the former, players smooth a path from near their ball to the hole, and place their ball in the path to putt, making sure that the distance to the hole is the same as from their original lie.

WSJ: Sand-Greens Golf: A Game Lives On in the Great Plains

Before the weather intervened, Sergio Garcia had to climb up into one of the trees to play his second shot at the par-four 10th hole after his ball became lodged in the branches.

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