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v-t图象是高中物理学中一个最重要的知识点,每年的高考物理试卷中,一定会出现v-t图象的题目.作为高中物理教师,应该明白v-t图象的物理意义,正
v-t image is one of the most important knowledge points in high school physics, the annual physical examination papers, there will be v-t image problem .As a high school physics teachers, v-t image should understand the physical meaning of positive