By studying and remembering, the nonlinear relationship of the input and output variable is established.

通过学习和记忆，建立输入和输出变量之间的非线性关系。

The development of human is a self-organization system whose open degree is decided by input and output variable .

人的发展是一个由输入与输出变量决定开放程度的自组织系统。