1Zhaohui S, Shuxia Z, Xinghua F, et al. The Design and implementation of Chinese maxillofacial trauma registry, analysis and injury severity score system[J]. J Trauma, 2008,64(4): 1024-1033.
2Negnevitsky M. Artificial Intelligence -- A Guide to Intelligent Sys-terns(SecondEdition)[M].北京:机械工业出版社,2005:301-308.