单词 | 外摆线 |
例句 | DEFINITIVE EXAMPLES 权威例句〔epicycle〕Mathematics A circle whose circumference rolls along the circumference of a fixed circle, thereby generating an epicycloid or a hypocycloid.【数学】 周转圆:一个围绕着另一个固定圆周长滚动的圆,从而产生圆外旋轮线或圆内旋轮线,即外摆线或内摆线美国传统〔epicycloid〕The curve described by a point on the circumference of a circle as the circle rolls on the outside of the circumference of a second, fixed circle.外摆线:一个动圆沿另一个定圆外侧滚动时,动圆圆周上一点的轨迹曲线美国传统 |
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