区域创新系统中的协同效应理论与实证研究：以长三角为例：take the Yangtze River Delta region as an example take the Yangtze River Delta region as an example 资源环境审计的经济效果研究：以长江经济带为例：take the Yangtze River Economic Zone as an example 经济发展、城乡统筹、居民生活质量与生态效率耦合协调发展研究：以长三角地区为例：taking the Yangtze river delta as an example 多中心城市区域空间协调发展研究：以长三角为例：take Yangtse River Delta as example reduction mechanism in the yangtze river delta as an example taking the Yangtze river delta as an example 外智引联团队协同创新机制研究：以西部地区为例：taking the western region as an example