共 2 条
[1]
SeaSurface Topography and the Datum of HeightDifference. GUA N Zhe- lin,GU AN Zheng,Q U Guo- jun. Publishing House of Surveyingand Mapping . 1996
[2]
GPS Normal Height Calculation Model of Railway Aerial Picture Control Points. SHEN Yun-zhong, LIU Da-jie. Journal of Tongji Medical University . 1996