“音调与频率关系”的演示实验设计

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1003-6148|33|5|62-63

ISSN: 1003-6148

Source: 物理教学探讨:中学教学教研版, Vol.33, Iss.5, 2015-01, pp. : 62-63

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Abstract