一按系统论观点，当代世界经济可看成是一个复杂的大系统，产业结构系统则是其中的子系统。只有符合世界经济这个大系统的内部的基本运行规律和趋势，产业结构这个子系统才能正常地或者是高效地运作，除非这个子系统是完全封闭的。一国只要有对外经济、产业结构与外部发生联系 From a system theory point of view, the contemporary world economy can be seen as a complex large system, the industrial structure system is one of the subsystems. Only in conformity with the basic operating rules and trends within the large system of the world economy can the subsystem of the industrial structure function normally or efficiently unless the subsystem is completely closed. As long as a country has an external economy, the industrial structure is linked to the outside world