控制问题中不确定因素的变化范围通常是有界的，因此可把不确定性描述为“集”，从而能用集合论方法讨论不确定性系统。

In control problems the uncertain variables are often bounded, thus uncertainty can be spoken of as "sets" and uncertain systems can be studied by the methods of set theory.

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控制问题中不确定因素的变化范围通常是有界的，因此可把不确定性描述为“集”，从而能用集合论方法讨论不确定性系统。

In control problems the uncertain variables are often bounded, thus uncertainty can be spoken of as "sets" and uncertain systems can be studied by the methods of set theory.

youdao