Some key issues in studying complex systems
复杂系统研究中几个值得关注的问题

This paper presents some of our perspectives on complex systems,characteristics of complexity,objectives and controls of the studying science of complexity.The relationship among nonlinear systems,chaotic systems and uncertain systems etc.is investigated.The difference between the control of complex systems and the control in conventional sense is revealed.It is emphasized that the objectives of the studying science of complexity should be some real systems possessing characteristics of complexity.