骨架对 meaning in English

matrix pair

This paper has put forward such one , i . e . to use the dimensional angle iron framework to strengthen the center of the knot in order to add its degree of toughness and stiffness , improve its crack load and aggrandize its ultimate deformation
本文提出了一种提高节点抗震性能的新方法? ?用空间角钢骨架对节点核心区进行加强，以增大节点的强度、刚度，提高节点的抗剪、抗裂性能，并增大节点的极限变形能力及延性性能。