Specification for Geodesic Survey in Hyd ![](/liaode/images/fjie0.gif)
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According to the ministerial standard formulation and revision program of Ministry of Water Resources and the requirements of SL 1-2002 Specification for the Dra[ting of Technical Standards of Water Resources,SL 58-93 Technical Standard for General Geodesic Survey in Hydrology is revised and renamed as Specification for Geodesic Survey in Hydrology. This standard comprises 4 chapters and 2 a等
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