巧选参考系 妙解竞赛题——以第32届全国中学生物理竞赛预赛第12题为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1003-6148|34|1|36-37

ISSN: 1003-6148

Source: 物理教学探讨:中学教学教研版, Vol.34, Iss.1, 2016-01, pp. : 36-37

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Abstract