我也把铣刀也设置了绕中心轴旋转,和往下走这两个自由度,但是我提交监控的时候报错说:1 nodes have dof on which velocity/displacement/acceleration/base motion etc. constraints are specified simultaneously. The nodes have been identified in node set ErrNodeBCRedundantDof。是不是不能把两个自由度施加在一个点?还是在这个铣刀上耦合两个参考点?求教