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Author:
lunhsin
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圆的渐开线
子弹图+猪手图
弦图
[洋蔥双垂图与全等
Shepard's Tables
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multiplication of complex number in unit circle
對頂角_1
四邊形中點
圆柱
選擇合適的「單位」
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Cube
Surface
Continuity
Parabola
Scatter Plot
