Electricity as a major branch of physics, physics textbooks in junior high school is very important part of electricity is the focus of junior physics.
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本文就初中物理新教材进行了研究。
This paper has studied elementary physics new textbook.
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第三，更新了教材逻辑结构，把初中物理光学知识概括为“一个关系”，“四条规律”，“两个成像”；
Third, the logical structure of teaching materials is renewed, and "one relation", "four rules", and "two images" generalize the optical knowledge in junior high school.
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