In the "dual-system circular symbosis model", the "dual systems" refer to _____.
A、economic system
B、social system
C、ecological system
D、environmental system
绿色经济与中国实践
章节列表
1. Ecological and Environmental Issues.102. Textbooks and Practice103. Research Hotspots and Cutting Edge Research104. Circular Economy105. Low-Carbon Economy106. Green Economy107. Sustainable Development108. Ecosystem Services109. Ecological Footprint1010. Environmental Policy Assessment9Final Exam50