elliptic catenary

例句：

1. 1. The elliptic catenary is a curved shape that resembles an ellipse.
   椭圆悬挂线是一种弯曲的形状，类似于椭圆。
2. 2. The engineer used the elliptic catenary to calculate the tension in the cable.
   工程师使用椭圆悬挂线来计算电缆的张力。
3. 3.The elliptic catenary was used in the construction of the bridge to ensure its stability.
   椭圆悬挂线被用于桥梁的建设中，以确保其稳定性。