中文说明：无人机航摄技术在四川省应急测绘保障中的应用研究
English Description：
Application of UAV aerial photography technology in emergency surveying and mapping support in Sichuan Province
Application of UAV aerial photography technology in emergency surveying and mapping support in Sichu
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中文说明：无人机航摄技术在四川省应急测绘保障中的应用研究
English Description：
Application of UAV aerial photography technology in emergency surveying and mapping support in Sichuan Province無人機航攝技術在四川省應急測繪保障中的應用研究.pdf