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物理规律常用数学公式和图象来表示,部编教材从初中开始在讲解固体的熔解以及光的折射现象时,就已经采用图象法来研究有关的规律性,在高中教材中不论在讲解新课还是在分组实验中对图象都提出了更高的要求。这说明图象法的运用是作为培养学生运用数学解决物理问题的能力的一个重要方面。1981年全国高考物理试卷中有关图象法的试题就有两道,
The laws of physics are often expressed in mathematical formulas and images. When the textbooks for the Department of Learning began to explain the melting of solids and the refraction of light from junior high schools, they have used the image method to study the regularity. In high school textbooks, regardless of the new The class also put forward higher requirements for images in group experiments. This shows that the application of the image method is an important aspect of training students to use mathematics to solve physical problems. In the 1981 national college entrance examination physics paper, there were two questions about the image method.