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Google Maps accepts latitude and longitude in any of the three common formats; use whichever one is most convenient: Degrees, minutes, and seconds (DMS): 34° 7' 8.904'' N 118° 18' 1.296'' W ...
Why Every Map of China is Just Slightly Wrong --YouTube For example, ... GCJ02 has a built-in algorithm that causes random deviations in both longitude and latitude.