在本文中，对关键种的概念进行了讨论，并介绍了关键种的典型特征及其在群落和生态系统中的判别。

This paper discussed the keystone species concept and introduced the typical characteristics of keystone species and their identification in communities or ecosystems.

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他补充道，联想是一种通过将不同学科的概念联系起来，从而建立创意间联系的能力。

Associating, he adds, is the ability to make idea-producing connections by linking concepts from different disciplines.

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在印度，种姓和污染的概念之间存在着一种联系。

In India, there is an association between caste and the idea of pollution.

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But you can write it down It's a concept that links itself to a literary or verbal written expression.

但是你们可以将负二的平方用笔写下来,那是种概念，能将其自身,与文学或文字书面的表达连接起来。

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Hobbes provided us with the definitive language in which even today we continue to speak about the modern state.

霍布斯提供了一种权威性的概念,而直到今天,我们依然用它来描述现代国家。

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Earnings" is kind of a theoretical concept that accountants work on and it can go up and down depending on adjustments they make.

收益则是一种由会计得出的理论概念,会因不同的调整而上下波动

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