circular loop的用法和樣例：
例句
- A new method for solving the coordinates of circular points in an image of an equilateral triangle and its inscribed circle was proposed.
摘要提出了一種求解等邊三角形及其內切圓的圖像圓環點坐標新方法。 - The design consists of a circular core of post-tensioned cables surmounted by the thinnest possible concrete deck with stainless steel handrails.
橋的造型以一個圓環為核心，使用后張拉預應力結構，並儘可能使用最薄的橋面，橋面上使用不鏽鋼欄杆。
