大地测量与地球动力学
 
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  2009, Vol. 29 Issue (增刊): 147-150    DOI:
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APPLICATION OF WIRELESS VPN TECHNIQUE IN DIGITAL PRECURSOR STATION NETWORK
Zheng Shuping 1) and Jian Daxi 2)
1)Earthquake Administration of Shanxi Province,Taiyuan 0300212)Institute of Seismology, CEA, Wuhan 430071
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