So to replace that nuclear power plant with wind would mean dedicating nearly 280 square miles of land to a gigantic wind farm, which would be about the size of New York City.

因此，要用风电场取代核电站意味着，一个大型风电场要占地近280平方英里，这几乎与纽约市的面积相当。

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The unfurling of Ikaros, which has an area of 200 square metres, is therefore no mean feat.

展开伊卡洛斯，这个200平方米的装置，因此是一个艰难的壮举。

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The paper proves that optimal controllers can stabilize the exponentially mean square of networked control systems.

并证明了该最优输出反馈控制律可使网络控制系统均方指数稳定。

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What we want to do now is compute the mean and variance of the portfolio-- or the mean and standard deviation, since standard deviation is the square root of the variance-- for different combinations of the portfolios.

我们现在要做的是,计算这个投资组合的均值和方差-,或者均值和标准差，因为标准差的平方就等于方差-,这对任何投资组合都是一样的。

耶鲁公开课 - 金融市场课程节选

Panter admits that time is not on City's side given RBS's stance that the club has only until the end of the year to repay its debts, but he stopped short of saying it would definitely mean the end of the road for the Blue Square South club.

BBC: Worcester say move is only option

That would mean putting fuel crops on just about every square inch of the U.S. (total land mass, 1.9 billion acres).

FORBES: Magazine Article

That would mean putting fuel crops on just about every square inch of the country (total land mass, 1.9 billion acres).

FORBES: Magazine Article