- ecologic structure
- ecological structure
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- In nature, the rights of each species are cast in a broad ecological framework .
- The optimization of friendly - environmental structure is the basis of optimizing economic structure
- Application of ecological structure stability and function coordination theory in land reclamation
- This is due to development that over consumes energy and the non - balanced eco - structure
- The unity of economic , social and ecological benefits can only be realized through reasonable , optimal and harmonious relation between structures of friendly environment and of economy