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贵刊83年第2期登载的《透镜成像作图法教学中的一个问题》一文,对我们在进行这一部分内容教学时很有指导作用: 1、紧扣教材有利于学生从根本上掌握透镜成像作图法。2、不必引进“焦平面辅助法”便可以很好地解决非特殊光线作图问题;既不超大纲,又能开拓学生的思路。3、有利于学生认识特殊光线与一般光线之间的辩证关系。在关于“将非特殊光线转化成用特殊光线作光
The article titled “A Problem in the Teaching of Lens Imaging Graphics” published in the 2nd issue of your magazine in the year 83 has a guiding role in the teaching of this part of the content: 1. Closely linking teaching materials helps students master the lens fundamentally. Imaging mapping. 2. It is not necessary to introduce the “focal plane assistant method” to solve the problem of non-special light mapping; neither the outline nor the students’ thinking can be developed. 3, is conducive to students understand the dialectical relationship between special light and general light. In regard to "converting non-special light into special light for light