cata·gen·e·sis英,kætə'dʒenisis美,kætə'dʒenisisBNC²³⁶²¹³⁺¹ 基本例句 n.退化¹⁰⁰ C frame- braced structure will access elastic- plastic deformation phase in higher seismic acceleration, and then structure stiffness catagenesis should be considered. 同时框-撑架结构在较大的地震加速度作用下将进入弹塑性变形阶段,此时应考虑结构刚度退化。 cnki