The defining characteristic of the Iranian elite since the death of Ayatollah Khomeini has been its fear of youth.

自从霍梅尼去世后，伊朗精英的特质表现在对青年人的恐惧。

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They have the same number of protons in their nuclei (this is the defining characteristic of an element), but different Numbers of neutrons.

在它们的原子核中质子数是相同的(这是一个元素定义性的特征)，但是中子的数量不同。

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Years ago, it had occurred to me that Darwin and Nietzsche agreed on one thing: the defining characteristic of the organism is striving.

多年前我就发现，达尔文和尼采有一个观点是一致的：生物体最重要的特征就是奋斗求生。

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Indeed, the defining characteristic of most Parreira sides is their emphasis on patient possession of the ball.

BBC: SPORT | Football | African | Parreira style

Under capitalism, wealth is less a stock of goods than a flow of ideas and information, the defining characteristic of which is surprise.

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Speed being the defining characteristic of Hikari Tsushin, it not surprisingly has made the fastest rise in history--within 12 years of being founded--to the first section of the Tokyo Stock Exchange.

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