它!再现了一个美丽的“后花园”——试谈对空间两点距离的几种模型的研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1001-8875|volume|12|54-56

ISSN: 1001-8875

Source: 数学教学通讯, Vol.volume, Iss.12, 2016-01, pp. : 54-56

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Abstract