Part III The Cycle-transformation Theory of Ecological Economy System 1.3 The major characteristics of ecological economy matter-flow Economic matter-flow is a course of biosphere matter-flow Ecological matter-flow is the foundation of economic matter-flow Productive course is the fusion field of ecological matter-flow and economic matter-flow 1.3 The major characteristics of ecological economy matter-flow ⚫ Economic matter-flow is a course of biosphere matter-flow ⚫ Ecological matter-flow is the foundation of economic matter-flow ⚫ Productive course is the fusion field of ecological matter-flow and economic matter-flow Part III The Cycle-transformation Theory of Ecological Economy System