周期函数是一类特殊的函数 ,理解和掌握函数的周期性对我们研究函数的性质有较大帮助 .因此教学中应注意抓好周期函数概念的教学 .贵刊 1995年第 3期发表了蒋世信《浅谈概念教学——对周期函数概念教学的体会》一文 (以下简称文 ( 1) ) ,作者从概念的内涵、外延及纵横联系等方 The periodic function is a special kind of function. Understanding and mastering the periodicity of the function will greatly help us to study the nature of the function. Therefore, we should pay attention to the teaching of the concept of the periodic function in teaching. You published the Jiang Shixin in the third issue of 1995. “A Brief Introduction to the Conceptual Teaching--Experience in the Conceptual Teaching of the Periodic Function” (hereinafter referred to as the article (1)), the author’s connotation, extension and cross-references