catenary

[数]n.悬链线;adj.悬链线的

悬链线（一种形状接近于悬链线的曲线）

名词

1、The shape of the power lines hanging between the poles is like a catenary.
电线杆之间悬挂的电力线形状就像是一条悬链线。
2、The catenary curve is commonly seen in architectural structures such as bridges and arches.
悬链线曲线在建筑结构中如桥梁和拱门中常见。