hypotrochoid
[机] 内转迹线
发音
UK
/ˌhaɪ.pə(ʊ)ˈtɹəʊ.kɔɪd/
US
/ˌhaɪ.poʊˈtɹoʊ.kɔɪd/
US
/ˌhaɪ.pəˈtɹoʊ.kɔɪd/
词形变化
hypotrochoids
复数
hypotrochoids
释义与例句
n.
-
1.
A geometric curve traced by a fixed point on the radius line outside one circle which rotates inside the perimeter of another circle.
内旋轮线
数学
词源
From hypo- + trochoid.
来源：wiktionary