PDF(363 KB)
Application Research on the Second Trigonometric Leveling Method in Mountain Area
LAI Hong - Bin1,MA De - ying2,MEI Xi1,WU Peng1
Journal of Railway Engineering Society ›› 2012, Vol. 29 ›› Issue (6) : 15-19.
PDF(363 KB)
PDF(363 KB)
Application Research on the Second Trigonometric Leveling Method in Mountain Area
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