the curve theoretically assumed by a perfectly flexible and inextensible cord of uniform density and cross section hanging freely from two fixed points
catenary的用法和样例:
例句
用作名词 (n.)
Catenary has been the more usual. 悬链状态较为普遍。
The core of this industry catenary is advertisement platform. 这条产业链的核心就是广告平台。