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极限思想是数学微积分和分析数学中经常应用的一种思维方式。运用该种思想解决问题时,我们将研究变量无限趋近于某一特定值,从而研究极限状态中蕴藏的物理规律。在中学物理教学过程,特别是对一些复杂物理问题的求解,极限思想有其特别的优越性,在简化解题过程的同时提高了学生物理知识的理解和掌握。突破固定的教学方式,用更灵活、巧妙的方法去解决难题才是锻炼学生思维模式的关键。
The limit idea is a frequently used method of thinking in mathematical calculus and analytical mathematics. When applying this kind of thinking to solve the problem, we will study the variable infinitely close to a certain value, so as to study the laws of physics contained in the limit state. In the middle school physics teaching process, especially for solving some complex physics problems, the limit thinking has its special superiority, which improves the understanding and mastery of the students’ physical knowledge while simplifying the problem solving process. Break through the fixed teaching methods, with more flexible and clever way to solve the problem is the key to train students thinking mode.