1994年秋季起,全国各地初中将全面使用九年义务教育物理新教材,本刊自本期起连载人教社版教材教法系列辅导文章,对其他版本教材也将有参考价值. 本系列文章由南京市教研室钱瑞云老师组织编写,并经人民教育出版社物理室马淑美等老师审阅、修改定稿。 From the autumn of 1994, junior middle schools across the country have used the new ninth-year compulsory education physics teaching materials. This publication has been linked with tutorial series of teaching materials and teaching methods for the teaching staff since this issue. It will also be of value for other versions of textbooks. It was organized and edited by teacher Qian Ruiyun of the Nanjing Teaching and Research Office, and reviewed and revised by the teachers of the Physics Department of the People’s Education Press.