本文简要介绍了无线传感器网络体系结构、特点和应用领域。总结了无线传感器网络节能路由技术，多址接入技术及支撑技术的研究成果，并探讨了现存的问题和今后的发展。-This paper introduces wireless sensor network architecture, features and applications. Summarizes the energy-saving routing in wireless sensor networks, multiple access technologies and supporting technology, research, and discusses the existing problems and future development.