Epicycle
01
本轮, 次级圆形轨道
(astronomy) a secondary circular orbit embedded within a primary circular orbit
语法信息
有生性状态
抽象
形态构成
复合词
可数
复数形式
epicycles
例子
In his astronomical work the Almagest, Ptolemy used a system of deferents and epicycles to explain the observed motions of planets across the night sky.
在他的天文著作《天文学大成》中，托勒密使用了均轮和本轮的系统来解释夜空中观测到的行星运动。
02
本轮, 次级圆
a small circle whose center moves around the circumference of a larger circle
例子
The concept of an epicycle allows for the modeling of complex periodic movements in geometry and astronomy.
本轮的概念允许在几何和天文学中模拟复杂的周期性运动。
