8SHU Haiwen, DUANMU Lin, ZHU Yingxin, et al. The proper scale and energy efficiency requirement of seawater source heat pump district heating system [ C]//The First International Conference on Building Energy and Environment Proceedings 2008. Dalian: Tianjin University & Dalian University of Technology, 2008 : 101 - 107.
10NAGOTA T, SHIMODA Y, MIZUNO M. Verification of the energy - saving effect of the district heating and cooling system Simulation of an electric - driven heat pump system[J].Energy and Buildings, 2008, 40: 732-741.