使小圓緊貼著大圓的內部滾動,此時小圓外(或內)一定點所形成的軌跡稱為內次擺線(hypotrochoid)。
※當 R = 2r 時,所形成的軌跡為橢圓。
陳科旭
- Target Group (Age)
- 15 – 18
- Language
- Chinese Traditional / 繁體中文
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