在“变”与“不变”中寻求比值定义的本质——基于数形结合的物理教学新思路

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1674-6058|volume|26|43-45

ISSN: 1674-6058

Source: 中学教学参考, Vol.volume, Iss.26, 2017-01, pp. : 43-45

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Abstract