碗筷问题分析——兼谈虚功原理在竞赛中的应用
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-042x|volume|11|86-88
ISSN: 1002-042x
Source: 物理教师, Vol.volume, Iss.11, 2017-01, pp. : 86-88
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Abstract