It was there, 18 centuries before the Copernican revolution, that Aristarchus posited a heliocentric solar system and Eratosthenes calculated the circumference of the Earth.

也就是在那里，在哥白尼学说出现的1800年之前，阿里斯塔克确立了以太阳为中心的太阳系的假说，埃拉托色尼计算出了地球的周长。

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Revolution surface is most often used in solid modeling system.

在立体造型系统中，旋转曲面是最常用的曲面。

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When France created its system of civil unions in 1999, it was heralded as a revolution in gay rights, a relationship almost like marriage, but not quite.

法国在1999年颁布了同居法令，这是维护同性恋权利上的一次变革性创举，这种似结婚而非的关系得到了法律保障。

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But I think as time went on after the Rose Revolution, I think he wanted to perpetuate this kind of system in which there was really absence of checks and balances, no real opposition included in the political process very much sort of governing by committee of the inner circle, of loyal allies around the president.

VOA: standard.2009.09.01

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