17节点样条单元
17-node quadrilateral element
20节点等参单元
20-node isoparametric element
3节点三角形膜单元
3-node triangular membrane element
6节点三角形单元
6-node triangular element
8节点等参单元
8-node isoparametric element
8节点非协调元
8-node incompatible element
CAN智能测控节点
CAN intelligent testpoints
CAN智能传感器节点
CAN intelligent sensor node