He had rebelled against his father wickedly, but he had died without even so much as confessing he was ______.
A
暂无解析
长短是指管道几何长度长的管道。
求图示应力状态的主应力和最大剪应力。
某结构的刚度矩阵如下(单位省略)
1.535
203
821.5
K
根据结构刚度矩阵的性质，可知矩阵中下列元素的值一定是错误的（）
图4所示桁架的零杆数目为______。
图6所示结构用力矩分配法计算时，结点A的约束力矩为()(以顺时针转为正)
