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Extraction code: 1234? College Physics (4th Edition) is a national planning textbook for undergraduate students of general higher education in the 12th Five-Year Plan, and it is an excellent textbook for general higher education in 2009. It was edited by Zhang Sanhui, revised by Annie Ann, Ruan Dong and Yansong Li, and published by Tsinghua University Press, 201812. This book can be used as a physics textbook in colleges and universities, and also as a reference book for middle school physics teachers or other readers to learn by themselves.