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。
2
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。
3
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.