斜坐标系之再探秘
<<上海中学数学SCHOOL MATHEMATICS IN SHANGHAI>>2009年第11期
作者: 李宏基
学术期刊 QCode : shzxsx200911015
细读文[1]后,笔者得到了一些不同的有关斜坐标系的结论.下面先从几个预备知识谈起. 预备知识1:仿射坐标系与斜坐标系的定义.相交于原点的两条数轴,构成了平面仿射坐标系.
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