Part III The Common Theory ofEcologicalEconomy System heessential conditions of E.E.S constitution (Possessing an integrated structure and function it of ecological system. Bs Rutting technology and human's labor into E.E. Inputting large scale products. Ptted products must be exchanged in the market 3. The essential conditions of E.E.S constitution A. Possessing an integrated structure and function unit of ecological system. Part III The Common Theory of Ecological Economy System B. Putting technology and human’s labor into E.E. C. Inputting large scale products. D. Putted products must be exchanged in the market