We know that the limit is the basis for derivative knowledge, for learning an important role in the definition of the derivative of.
我们知道，极限是导数知识的基础，对于学习导数的定义具有重要的作用。
Two derivative results subsequently arose from this effort to characterize the universe of knowledge.
随后出现的两个衍生结果从这一努力来描述宇宙的知识。
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