他的眼光单(-3.75)与我的差不多。 不过佩戴一个晚上之后，他的右眼视力变正常了；佩戴两个晚上之后，他的双眼视力得到了完全矫正。
His prescription (-3.75) is similar to mine and yet his right eye was perfect after one night and his vision in both eyes was perfectly corrected after two nights.
自然气候变化的混沌系统单每八十年会出现这样的变缓趋势，即使长期变暖趋势出现。
Natural variation alone in the chaotic climate system would produce such a slowing every eight decades, even with the long-term warming trend seen.
本文给出了有限域上单变元多项式分解的一种概率算法。
A probabilistic algorithm for factoring univariate polynomials over finite fields is presented.
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