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(reminder: all quotes here are fiddled, probably.)

楕圓 (翻譯)


Mark out two points H and I, and run a loop of string around them. Then keep moving the point E while keeping the string taut. The curve traced out by E will then be an ellipse.

釘上兩個釘子 H 與 I, 用細繩圈套住兩個釘子. 一支鉛筆 E 圈套在繩套裡, 繃緊了邊滑邊畫, 楕圓便出來了.

2 Comments:

:: Blogger Yun (12.08.08, 01:42   ) sagt...

呢度悶左好耐啦。。。我就來悶死啦。可唔可以呢﹐好間唔中寫返篇我明既呢﹖間唔中就得啦。呢個要求唔過份唧。

唉。



:: Blogger sf (12.08.08, 16:36   ) sagt...

畢陵伽婆蹉還說:我真的沒有罵你,丫頭,你不要難過。(賓賓)



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