Part III The Cycle-transformation Theory of Ecological Economy System Chapter 3 The transformation from ecological energy-flow to economic energy-flow 1.Negative entropy-flow -the transformation from natural energy-flow to economic-flow o Directly getting from ready-made natural energy Transforming solar energy into economic potential energy-flow by plant products industry Transforming excavated fossil energy into economic energy 2.Entropy-The final state of economic and natural energy-flowPart III The Cycle-transformation Theory of Ecological Economy System Chapter 3 The transformation from ecological energy-flow to economic energy-flow 1. Negative entropy-flow -the transformation from natural energy-flow to economic-flow ⚫ Directly getting from ready-made natural energy ⚫ Transforming solar energy into economic potential energy-flow by plant products industry ⚫ Transforming excavated fossil energy into economic energy 2. Entropy-The final state of economic and natural energy-flow