These paradigms are the fundamental assumptions that sociologists have about the social world, the ones that guide their thinking and research.

每个理论模型都是社会学家们对于社会的基本假设，它们引导社会学的思考和研究。

Although Friedmann found only one, there are in fact three different kinds of models that obey Friedmann's two fundamental assumptions.

尽管弗里德曼只发现了一个，但实际上存在三种不同类型的模型都遵循弗里德曼的两个基本假设。