并列题名：Study on ecological demand, supply and compensation system of resource exhausted cities Study on ecological demand, supply and compensation system of resource exhausted cities 并列题名：Study on Ecological Transformation and Coal Resource Exhausted Cities Study on Ecological Transformation and Coal Resource Exhausted Cities 并列题名：Law of development and switch of industries in resource-exhausted cities 并列题名：Study on the ecological compensation system of the regional water resources