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高中物理新课程“过程与方法”目标提出:通过物理概念和规律的学习过程,了解物理学的研究方法,认识物理实验、物理模型和数学工具在物理学发展过程中的作用。微元法是一种深刻的数学思维方法,这一方法的本质是辩证地看待“变与不变”的关系,其中的“无限”“无穷”蕴含着“极端”的思维。作为一种重要的数学工具,新课程物理教材编写中,微元法在物理中的应用得到了重要体现。让我们从人教版高中物理新课标教材第一章第3节“平均速度和瞬时速度”的认识开始。
The new curriculum of high school physics aims at understanding the research methods of physics through the study of physics concepts and laws, and understanding the role of physics experiments, physical models and mathematical tools in the development of physics. Microelement method is a profound mathematical thinking method. The essence of this method is to treat dialectically the relationship between “change and immutable”, in which “infinity ” “infinity ”Thinking. As an important mathematical tool, in the compilation of new course physics teaching materials, the application of the micro-element method in physics has been embodied. Let’s begin with the understanding of Chapter 3, Section 3, “Average Speed and Instantaneous Speed,” of the New Curriculum Textbook for Physical Education in PEP.