静力平衡方程 , 结构矩阵 , 刚度与强度 , 结构体系 , 抗震性能化设计 ," /> 静力平衡方程 , 结构矩阵 , 刚度与强度 , 结构体系 , 抗震性能化设计 ,"/>  ,static equilibrium equation,structure matrix,stiffness and strength,structural system,seismic performance-based design ,"/>