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有关电磁振荡和电磁波的知识,在现行高中物理必修课教材中所占的份量尽管不重,在毕业会考中的测试水平一般为知道(A)、理解(B)层次,仅公式T=2π(LC)~(1/2)和v=λf为掌握(C)。然而,随着现代通信网络的建立。这部分知识在高科技领域的应用越来越广泛,应引起我们在教学中的足够重视。为了提高这部分教材的授课质量,现将在教学实践中遇到的几个问题整理解答于后,供读者参考。
The knowledge about electromagnetic oscillations and electromagnetic waves, although not heavy in the current high school physics compulsory course materials, the test level in the graduation examination is generally known (A), understanding (B) level, only the formula T = 2π ( LC) ~ (1/2) and v = λf are mastered (C). However, with the establishment of modern communication networks. This part of the knowledge is more and more widely used in the field of high-tech, we should give enough attention to our teaching. In order to improve the teaching quality of this part of the teaching materials, several problems encountered in the teaching practice will be sorted out for the reader’s reference.