可持续发展系统过程是个不断发展变化的过程,经济、社会、人口、资源与环境等各个环节之间的联系有时间上的差异存在。经济系统与社会系统有明显的时滞存在,科学技术与经济之间,经济、资源环境及人口等各个环节之间同样具有时间差异。因此,必须从动态变化的角度进行可持续发展系统的定量研究和系统分析。 可持续发展系统是包含大量非线性因素的大系统,它有着丰富的内涵和复 The process of sustainable development of the system is a process of continuous development and change. There are time-specific differences in the links between economic, social, demographic, resource and environmental aspects. There are obvious time lags between economic system and social system. There is also time difference between science and technology and economy, economy, resource environment and population. Therefore, the quantitative research and systematic analysis of sustainable development system must be carried out from the perspective of dynamic change. A sustainable development system is a large system that contains a large number of nonlinear factors. It has a rich connotation and complex