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电动机已经应用在现代社会生活的各个方面,和我们的生活息息相关.电动机的工作原理是磁场对电流有力的作用,这一内容现已逐渐成为中考的热点.
Electric motors have been applied in all aspects of modern society and are closely related to our lives. The working principle of electric motors is the powerful effect of magnetic fields on electric currents. This content has gradually become a hot topic in the exam.