The vague concept is explained by the random set and the contour function, and vague environments are explained with equality relation. Moreover, several examples are presented in the paper.

从两个方面讨论了模糊集合的语义，通过随机集合理论和等高线函数对模糊概念进行了说明，利用等价关系理论对模糊环境进行说明，同时结合一些具体实例加以详细讨论。

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The conjugal relation, based on equality and independence, has become the main marital mode in Shanghai.

平等、独立型的伙伴关系已经成为上海婚姻的主流模式。

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We are willing to enter into business relation with you on the basis of equality, mutual benefit and exchanging needed goods.

我方乐于在平等互利、互通有无的基础上与贵方建立商务关系。

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