詞語：epicycles
epicycles的解釋
epicycles['episaikl]n. [天]本輪；[數]周轉圓
epicycles的意思
epicycles 周轉圓;
epicycles的參考例句
1.Under it, apparent motions of the planets are to be explained in terms of deferents and epicycles around the earth. 按照圓心軌跡和周轉圓圍繞地球的方式解釋了行星的外觀運行。在周轉圓上的外觀運行映像屬於一般科學的領域。
2.Trying to describe how the five planets in the night sky followed seemingly irregular paths, Ptolemy hit upon an idea he called epicycles. 當設法解釋夜空中的五顆行星為何好像沿著不規則的軌道運行時，托勒密腦海中閃現出一個觀念，他稱之為「本輪」。
3.In the Middle Ages, as observations showed the predictions to be inaccurate, astronomers adjusted Ptolemy's system, which relied on epicycles. 托勒密理論最早由古希臘人提出，到了中世紀，當星象觀察顯示理論預測並不準確時，天文學家就調整托勒密以周轉圓為基礎的系統；