20世纪60年代中国综合世界时系统的建立

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1672-2914|31|6|25-29

ISSN: 1672-2914

Source: 咸阳师范学院学报, Vol.31, Iss.6, 2016-01, pp. : 25-29

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Abstract