刮瓦其实就是刮削曲面，通常是内孔面，目的和平面刮削一样，改善接触条件，生成储油小凹点，改善润滑。
同时，斯利瓦斯塔瓦变得对刮彩越来越感兴趣。
Srivastava, meanwhile, was becoming even more interested in scratch tickets.
这些是便宜的刮刮乐——打壁球的伙伴送给他的一个开玩笑的礼物——斯利瓦斯塔瓦开始琢磨这些彩票会不会中奖。
The tickets were cheap scratchers-a gag gift from his squash partner-and Srivastava found himself wondering if any of them were winners.
统计学家们正兴奋地到处奔走相告，因为他们一位同行莫汉•斯里瓦斯塔瓦用他的专业知识破译了刮刮乐彩票的密码。
Statisticians everywhere are squealing in delight over this story on fellow statistician Mohan Srivastava,who used his know-how to crack the code of a tic-tac-toe scatcher lottery game.
应用推荐