参考文献 1Ignacio Huircan J, Munoz C, Young H, et al. ZigBee-based wireless sensor network localization for cattle monitoring in grazing fieldsJ. Computers and Electronics in Agriculture, 2010,74(2):258-264. 2Burgess S S O, Kranz M L, Turner N E, et al. Harnessing wireless sensor technologies to advance forest ecology and agricultural researchJ. Agricultural and Forest Meteorology, 2010,150(1). 3Zheng L, Li M, Wu C, et al. Development of a smart mobile farming service systemJ
