roundabout intersection的用法和樣例：
例句
- Then, authors derived the optimal cycle calculation method based on the minimum delay, which was suitable for the multi-approach going coordinated with roundabout control.
并在此基礎上提出了一種以交叉口車(chē)均延誤最小為目標，適合于在非飽和狀態(tài)下采用多進(jìn)口道放行協(xié)同環(huán)道控制環(huán)形交叉口的最佳周期值計算方法。
