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光路图是初中学生学物理接触的第一类作图题,也是中考作图题必考内容之一,而且题目越来越灵活,但万变不离其宗,不论题目要求怎样变化,基本规律的光路图是根本,其他的光路图都是在基本光路图基础上发展演变出来的,所以,只要会画基本的光路图,理解基本光路图的特点,再难的题目也就迎刃而解了.因
The optical road map is the first type of drawing question that junior high school students study in physical contact, and it is also one of the examination contents of the exam. The topic is more and more flexible, but it never changes, no matter how the subject requirements change, the basic laws The light path diagram is fundamental, and other light path diagrams are developed based on the basic light path diagram. Therefore, as long as the basic light path diagram is drawn and the characteristics of the basic light path diagram are understood, the difficult problems will be easily solved.