One of my great leaps forward was realizing how fast the score could mount in the three-ball situation.

重大突破之一就是，知道了在三个球的情况下比分可以增长这么快。

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Further, the principles and ways which solve the crucial question are given, that is, two supports consisted of three-ball bearing are combined with the sealing by differential gas flow cycle.

进而阐述了解决这些关键问题的原理和方法，即两个三滚珠轴承支承和差动气流循环密封相结合的方法。

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Based on the "three-ball" measurement theory and the machine vision technology, a novel instrument for measuring taper thread is introduced. At the same time, image pre-process technology is analyzed.

前言： 基于螺纹测量“三针法”的原理，使用机器视觉的方式，研制开发了三维自动锥螺纹检测系统本体，对图像处理技术中的预处理部分做了简单探讨。

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He has a little ball. A little two- or three-year-old kid has a ball.

他有一个小球，一个两或三岁的孩子有一个球。

耶鲁公开课 - 1945年后的美国小说课程节选

There are three ways, the goal--the attacker could kick the ball.

罚球队员可以选择三种不同射门路径

耶鲁公开课 - 博弈论课程节选

McIlroy was out in a three-ball with team-mates Llewellyn Matthews and Jamie Moul in Tuesday morning's practice at RCD.

BBC: McIlroy magnetism

Pitching on five days' rest, Pettitte walked four for the first time since July 2010, went to seven three-ball counts and threw just 57 of 100 pitches for strikes.

WSJ: Pettitte stumbles again as Yanks lose to A's 5-4

"I think winning it twice is a fair achievement to start with, " said Hansen, who forms a three-ball with Englishmen Lee Westwood and Luke Donald in the opening two rounds.

BBC: Rose out to hit form at Wentworth