reproducible emergy ratio 可再生能值率 ; 再生能值率

greenhouse gas emergy ratio 温室气体能值率

Emergy Yield Ratio 能值产出率 ; 净能值产出率

ratio of emergy to GDP 能值货币比率

emergy assisted ratio 构建了能值补益率 ; 能值补益率

Emergy Exchange Ratio 能值交换率

Emergy Self-sufficiency Ratio 能值自给率

Emergy investment ratio 能值投入率 ; 能值投资率

emergy benefit ratio 能值效益率

emergy load-ing ratio 环境负载率