测绘通报 ›› 2014, Vol. 0 ›› Issue (7): 39-43.doi: 10.13474/j.cnki.11-2246.2014.0221

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Security Transmission Method of Vector Geographic Gata Based on Digital Envelope

  

  • Received:2013-04-22 Revised:2013-12-27 Online:2014-07-25 Published:2014-07-28