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在高中物理教学中,物理图像的理解是教学的重点,也是高考的难点.用图像法来解决物理问题,有时比其他数学方法更简捷、形象和直观,但是物理图像与坐标轴所围成“面积”的物理意义因坐标轴的含义不同而不同,因而明确图像中的面积所表示的实际物理意义,是解决问题的关键.
In high school physics teaching, the understanding of physical image is the focus of teaching, but also the difficulty of college entrance examination.Using image method to solve the physical problem, sometimes more simple, visual and intuitive than other mathematical methods, but the physical image and axis surrounded by The physical significance of “area” varies depending on the meaning of the axes, so it is the key to solving the problem that the actual physical meaning expressed by the area in the image is clear.