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自从推出高中物理教科书选修3-4以来,狭义相对论的教学一直是个难点,且难点集中指向“同时的相对性”.这是理解长度的相对性、时间间隔的相对性以及狭义相对论其他一些结论的前提,教学中很容易发现学生甚至是教师对于“同时的相对性”理解上的困惑或是错误认识.如果这些问题不能被及时解决,后面几节的学习将无法实效进行,也无法正确理解相对论的原理.本文就这个问题做点说明.为了说明的方便,也为了能让读者更容易了解相对
Since the introduction of high school physics textbooks elective 3-4, the teaching of special theory of relativity has been a difficult point, and the difficulty focused on “relative relativity ” This is to understand the relative length, the relative relativity of time interval and other special relativity Conclusions on the premise that it is easy to find students or even teachers confused or misunderstood understanding of “relative relativity ” If the problems can not be solved in time, the learning of the following sections will not be effective, and Can not correctly understand the theory of relativity .This article do some explanation on this problem .In order to explain the convenience, but also to allow readers to more easily understand the relative