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作者在“磁场”章节“安培力”的教学中,认为安培力的方向判断和安培力的大小与哪些因素有关,是探究过程中需要解决的两个主要问题。
In “Magnetic Field ” chapter “Ampere ” teaching, the author thinks that the orientation judgment of Ampere force and the factors of Ampere force are related with two factors, which are the two main problems to be solved in the process of inquiry.