Railway traffic control is a complicated and ill-structuredproblem.
铁路行车调度问题是一个复杂的劣构问题。
2
So, it is very important to understand physics problem-solving instruction correctly and to seek a sort of equilibrium between the well-structuredproblem and the ill-structuredproblem.
因此，正确理解物理问题解决，在结构良好问题与结构不良问题之间寻求一种平衡则是十分重要的。
3
In this way we can solute ill-structured goal programming problem and think about priority class and the constraint values that are changing with the environment.