The state variables of such an equivariant bifurcation problem are divided into two groups, in which the first can vary independently, while the other depends on the the first.

• 将这种等变分歧问题的状态变量分为两组，其中一组的诸状态变量可以独立地变化，而属于另一组的诸状态变量在变化过程中依赖于前一组中的诸状态变量。