“精细”一词在产业界使用频率很高。何为“精细”?《辞海》中对“精细”一词的解释是:精确、简要、致密、周到、仔细。“精细”高频率的使用,说明了生产精细产品对产业界的重要。对于面对的是“活体”——学生的教育业界来说,“产品”的合格与否关乎民族的振兴、国家的存亡,“精细”对于教育教学十分重要和必要。在基础学科中,数学属于自然科学范 “Fine ” is used frequently in the industry. What is “fine”? The word “fine” in “Cihai” is explained precisely, concisely, compactly, thoughtfully and carefully. The use of “fine” high frequencies illustrates the importance of producing fine products to the industry. For the education industry to face “life ” - students, “product ” pass or not is related to the rejuvenation of the nation, the country’s survival, “fine ” is very important and necessary for education and teaching. In basic disciplines, mathematics is a natural science paradigm