红酒中同样的成分使其在经过数年的窖藏后品质更佳，可有助于防止心脏疾病，延年益寿。

The same ingredient that helps red wines become better with age may help people live longer by protecting against heart disease.

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这最大限度地说明这次峰会并不是浪费时间：奥巴马在经过数月的旁观后，现在挺直了腰板。

That points to the biggest reason to think the summit was not a waste of time: it made clear that Mr Obama, after months of sitting on the sidelines, now has steel in his spine.

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实验结果表明，在经过数次迭代学习后，闭环离散学习控制可使位置伺服系统达到良好的控制性能。

The experiment results show that this scheme is able to attain a good performance for the position servo systems after several iterative learnings.

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Christianity began as a persecuted religion that ultimately captured the Roman empire only after centuries of hostility towards the Empire, towards Rome, towards the secular state in general.

基督教最初作为被迫害的宗教,最终征服了整个罗马帝国,而在此之前,它经过了数世纪,对帝王对罗马以及,对整个世俗世界的反抗

耶鲁公开课 - 古希腊历史简介课程节选

But I can add to this some number, like 96, that'll still have the property that if you take two derivatives, you're going to get the same acceleration.

但是我可以在后面加上某个数,比如96,经过两次求导你仍会得到,同样的加速度

耶鲁公开课 - 基础物理课程节选