At first, we should notice that modeling method for complex system problem is scattered.

首先，我们注意到，对于复杂系统问题，建模方法比较零散。

youdao

At first, we should notice that modeling method for complex system problem is scattered.

首先，我们注意到，对于复杂系统问题，建模方法比较零散。

youdao