机械制图课程中椭圆弧长度的计算方法与应用
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1009-7600|19|1|63-64
ISSN: 1009-7600
Source: 辽宁高职学报, Vol.19, Iss.1, 2017-01, pp. : 63-64
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Abstract