英文作者:Li Aiqin~(1)),He Zhenwen~(2)),Deng Yi~(3)) 1)(Zhejiang Academy of Surveying and Mapping(Zhejiang Branch,Chinese Academy of Surveying and Mapping),Hangzhou 310012 China) 2)(School of Computer,China University of Geosciences,Wuhan 430074 China) 3)(Geomatics Center of Zhejiang,Hangzhou 310012 China)