民国时期国人自编三角学教科书中“三角函数”变迁

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1004-9894|volume|3|81-85

ISSN: 1004-9894

Source: 数学教育学报, Vol.volume, Iss.3, 2015-01, pp. : 81-85

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Abstract