螺線

阿基米德螺線

等角螺線

費馬螺線

雙曲螺線

螺線（英語：spiral）是指一些圍着某些定點或軸旋轉且不斷收縮或擴展的曲線。

二維螺線

• 費馬螺線
• 等角螺線
• 雙曲螺線
• 圓內螺線
• 阿基米德螺線
• 連鎖螺線
• 柯奴螺線
• 歐拉螺線

參考文獻

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• Cook, T., 1979. The curves of life. Dover, New York.
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