竖直下落情境中的弹簧类问题5例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1005-9741|volume|6|23-26

ISSN: 1005-9741

Source: 河北理科教学研究, Vol.volume, Iss.6, 2015-01, pp. : 23-26

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Abstract