然而，尽管美国军人和武器专家组对伊拉克农村地区进行了全面的搜寻，但并没有找到任何大规模杀伤武器。

But no weapons of mass destruction were ever found, despite thorough searches of the Iraqi countryside by U.S. soldiers and teams of weapons specialists.

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我们现在已经有了像神经成像和全基因组扫描那样的工具来搜寻与阿尔茨海默氏症有关的基因，以及经一大批经过长时间随访的人群样本。

We now have such tools as neuroimaging and genome-wide scans that hunt for genes related to risk, as well as big samples of people who've been followed over time.

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艾伦望远镜阵列，即在加利福尼亚为搜寻地外文明计划而建造的一组射电望远镜，将显著提高其速度以达到能够探测到那些星系的程度。

The Allen telescope Array, a cluster of radio telescopes being built in California with SETI in mind, will dramatically speed up the rate at which such systems can be explored.

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