And if there's one single defining characteristic among academics, it may be just that.

如果学术界有一个与众不同的特点，可能就是这一点。

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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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SaaS has as its central defining characteristic the ability for customers to use a software application on a pay-as-you-go subscription basis.

SaaS区别于其他应用程序的主要特征就是能够使客户在使用应用程序时按照使用量付费。

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Yet navigating these situations well is a defining characteristic of truly followable and inspiring leaders.

FORBES: How Great Leaders Deliver Bad News

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

BBC: SPORT | Football | African | Parreira style

Although he was known for his big frame, Heavy D never let his size become his defining characteristic.

BBC: Hip-hop star Heavy D dies aged 44