摘要
文章用变量的变化过程较为完整地讲述了极限,并给出了函数极限的精确定义,更加准确和深刻地揭示了极限的本质。
In this paper, limit is narrated completely by changing process of variable, and precise definition of function limit is given. Essence of limit is revealed more accurately and profoundly.
出处
《吉林省教育学院学报》
2011年第2期150-152,共3页
Journal of Jilin Provincial Institute of Education
关键词
极限
精确定义
变量
limit
precise definition
variable
