In 2005, the U. s. classified these chicken barns as part of the nation's 'critical infrastructure,' giving them a kind of top-secret status.

2005年，美国把这些养鸡场列为国家“重要基础设施”的一部分，并赋予了它们相当于最高机密的地位。

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Middle east oil is critical to the rise of India and China, and in that sense it's very much part of the economic process.

中东石油,对于中印的崛起非常关键，因此它是东南亚经济发展的,重大保障。

普林斯顿公开课 - 国际座谈会课程节选

"We love building products, and like our friends at Facebook, we think that mobile is a critical part of people's lives as they both create and consume content, and share content with their social graph, " he writes.

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And Gomer-Davies says Evans has been sorely missed during a critical part of the Dragon's season.

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He says investment fraud is a critical part of the SEC's mandate.

NPR: Madoff Placed Under House Arrest