That precise characterization allowed them to target molecules with laser pulses lasting for one-quadrillionth of a second, or just long enough to set single electrons spinning.

在先前的研究中得到其原子水平上的结构，精确的结构特性允许他们用激光脉冲瞄准目标分子，并且只持续千万一份之一秒以使分子处以单电子自旋状态。

youdao

I can do so in production, sure, but no one will grant me a second refinery permit just for testing.

当然，我可以在生产环境中实现这一点，但是不能保证能在测试中构建第二个提炼厂(refinery)。

youdao

Companies can sell their goods and services and sponsor events in Second Life just as they do in the real world; one sponsored a contest for the best avatar.

在第二人生里，公司能够推销它们的商品和服务，赞助赛事，就像它们在真实世界中所做的那样，一家公司赞助了一次评选最佳化身的比赛。

youdao

But think with me just for one second about the idea of progress.

但是请跟我思考一下,进步的观念

耶鲁公开课 - 美国内战与重建课程节选

As for United, the victory leaves it second, just one point behind table-topping Chelsea.

WSJ: Manchester United, Liverpool Make a Pitch for Empathy: Marcotti on Soccer

But the association ended after just one season which proved difficult for Spencer, despite becoming the second youngest winner of the Irish Flat jockey's crown.

BBC: SPORT | Other Sport... | Horse Racing | Jamie Spencer

At present he is just four one-hundredths of a second outside the qualifying standard for the mainstream competition in London - and his attempt to double up is inevitably attracting a lot of interest.

BBC: London 2012 NI olympians dreaming of gold