用GPS卫星定位技术进行露天矿边坡监测--霍林河露天矿边坡变形监测试验
용GPS위성정위기술진행로천광변파감측--곽림하로천광변파변형감측시험
Use technique of GPS satellite fixed position to supervise open - pit side--an experiment for deformation of Hualinhe open- pit side
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