As a new theoretical paradigm, worldsystemtheory has its concepts and means and continuously develops and reconstructs in criticizing and self-criticizing;
作为一种新的理论范型，世界体系理论自有其一套概念和方法，并在批评和自我批评中不断地衍化和重构；
2
Systems theory views the world as a complex system of interconnected parts.
系统理论将世界视为一个相互关联的零件的复杂系统。
3
Cooperative learning is a kind of teaching theory and tactics system full of creative ideas and actual effect which is now widely adopted by many countries in the world.