5Baronti P, Pillai P, Chook V W C ,et al. Wireless sensor networks : a survey on the state of the art and the 802.15.4 and ZigBee standards[J]. Computer Communications, 2007,30 (7) : 1 655-1 695.
6Shepard S. RFID .. radio frequency identification[M]. New York : Mc- Graw-Hill, 2005.
7ZHANG L, GUO H T, WANG X, et al. Retrospective on the construction and practice of a state- level emergency medical rescue team [ J ]. Disaster Medicine and Public Health Preparedness, 2014,8 (5) :422-425.