South American Datum

The South American Datum (SAD) is a regional geodesic datum for South America. It was established in Brazil by SIRGAS 2000, and was made official in 2005.

单词	South American Datum
释义	South American Datum 英语百科 South American Datum The South American Datum (SAD) is a regional geodesic datum for South America. It was established in Brazil by SIRGAS 2000, and was made official in 2005.
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