qiumoqiumo1 发表于 2012-10-15 16:07
/e譬如:rho=30+10*sin(t*360*10) theta=t*180*cos(打开曲线命令,选用方程,再选坐标系,选坐标系统,再输入 ...
qiumoqiumo1 发表于 2012-10-15 16:07
/e譬如:rho=30+10*sin(t*360*10) theta=t*180*cos(打开曲线命令,选用方程,再选坐标系,选坐标系统,再输入 ...
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