Andromeda sports a "double nucleus" - two bright spots at its heart - thought to be a sign of an oval disc of stars and gas.

仙女星座戏弄着双核心——在星座的中心有着两个明亮的区域——认为这是恒星和气体卵形盘的迹象。

youdao

Half thought the next generation would have a lower standard of living, double the share that thought living standards would rise.

半数认为下一代的生活水平将降低，是认为生活水平会提高的人数的两倍。

youdao

The first one that I will mention is actually something you thought maybe you could do with a single integral, but it is useful very often to do it as a double integral.

第一点就是，有些你以为是用一重积分来做的，但却通常是用二重积分来完成的。

youdao

The part of this line above 10 rem (0.1 Sv) certainly supports this idea, although doubling the dose does not double the effect like is commonly thought.

FORBES: Fear Of Radiation -- It's All In The Noise

"I thought it was a sure double, " David Wright said.

WSJ: Johan Santana No-Hitter: The Story of 27 Outs��New York Mets

Since recessions are important economic events and the potential for a rare double-dip is on the minds of investors, we thought it might be instructive to look at one of the best models we have for predicting recessions.

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