• 2022-05-27
    设整体坐标下单元刚度矩阵为[img=100x100]17869ef046c756a.png[/img],杆端力列阵为[img=124x102]17869ef05678004.png[/img],杆端位移列阵为[img=116x100]17869ef0699ea82.png[/img],杆件固端力列阵为[img=140x102]17869ef07a832c5.png[/img],则有[img=556x101]17869ef08ed2396.png[/img]。( )
    A: 错
    B: 对