Howard Pattee, an early cybernetician, defined hierarchical structure as a spectrum of connectance.

早期论专家霍华德·派蒂将层次结构定义个连接性频谱。

Another cybernetician, Gerald Weinberg, supplies a fine metaphor for requisite complexity in his book On the Design of Stable Systems.

另外位论专家，杰拉尔德·温伯格，在他著作《论稳定系统设》这个“必要复杂性”提供了个非常贴切比喻。