Basic specifications for national geodesy
This document specifies the basic technical indicators and technical requirements for the establishment and maintenance of the geodetic control network,the vertical control network and the gravity control network,the quasi-geoid determination,so as to realize the nationwide unified geodetic datum,vertical datum and corresponding sounding datum and gravity datum.
This document is applicable to geodetic surveying activities in the territory of the People’s Republic of China and other sea areas under its jurisdiction.
State Bureau of Surveying and Mapping.
General Administration of Quality Supervision,Inspection and Quarantine of the People's Republic of China and Standardization Administration of the People's Republic of China
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