这是其权力的来源，他们的生存。

It is the source of their power, of their very existence.

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海洋权力的来源主要有两种形式：波浪能和潮汐发电。

Ocean power comes primarily in two forms: wave power and tidal power .

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本文提出了知识权力和权力整合两个分析框架，对这种组织间权力的来源和变迁进行了分析。

This article puts forward two frameworks of knowledge power and power integration to analyze the origin and shifting of power.

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