圆柱收分曲线

例句：

1. 1. The engineer drew a curved line to indicate the direction of the flow.
   工程师画了一条弯曲的线来指示水流的方向。
2. 2. The scientist used this curve to predict future trends in the industry.
   科学家利用这个曲线预测了该行业未来的发展趋势。
3. 3. The artist created a curved surface to enhance the overall aesthetic appeal of the piece.
   艺术家创造了一个曲面以增强作品的整体美学吸引力。