函数是中学数学重要的基础知识，函数部分结构上具有“一明一暗”两条主线。

Function is one of the fundamental and basic knowledge in Middle and High school mathematics and its structure contains two clues, one called "explicit clue" and the other "implicit clue".

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函数是中学数学重要的基础知识，函数部分结构上具有“一明一暗”两条主线。

Function is one of the fundamental and basic knowledge in Middle and High school mathematics and its structure contains two clues, one called "explicit clue" and the other "implicit clue".

youdao