关于城市交通、物流、生态综合发展的复杂系统研究方法

必须综合考虑城市交通、物流和生态等城市化问题；这类问题不存在“一劳永逸”的解决方案；这类问题不存在一般意义的最优解，更不存在唯一的最优解。因此，基于复杂系统的思想，讨论在“不断探索和改善”的原则下，如何利用人工系统、计算实验、平行系统等新方法和理论，结合从定性到定量的综合集成方法和并行分布式高性能计算技术。寻求城市交通、物流和生态等城市化问题的有效解决方案，建立城市交通系统全面、协调、可持续发展的新型研究体系和方法。

A Complex System Approach for Studying Sustainable and Integrated Development of Metropolitan Transportation,Logistics and Ecosystems

This discussion of this paper is based the following considerations: An integrated approach must be used to address problems in sustainable development of metropolitan transportation, logistics, and ecosystems; There is no permanent solution to those problems; There is no optimal solution to those problems, lest unique solutions. Our objective is to use the concepts and methods in complex systems and complexity to find effective solutions to those problems, and eventually to establish a systematic approach for investigating the problems in sustainable development of metropolitan transportation, logistics, and ecosystems under the principle of continuous exploration and improvement. Our major methods and tools are artificial systems, computational experiments, parallel systems, meta-synthesis, halls of workshops, and parallel and distributed computing, especially grid computing and peer-to-peer computing.