张衡地动仪的科学性和贡献
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1674-8646|6|15|77-77
ISSN: 1674-8646
Source: 黑龙江科学, Vol.6, Iss.15, 2015-01, pp. : 77-77
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Abstract