Traditional Culture Encyclopedia - Photography major - What is the latest year of the aerial photography specifications of 1: 500, 1: 100 and 1: 2000?

What is the latest year of the aerial photography specifications of 1: 500, 1: 100 and 1: 2000?

According to1:5001:1000 1:2000 topographic map specification, the plane accuracy of1:2000 topographic map is ≤0.35m (taking plain area as an example), which belongs to the accuracy of fixed-wing aircraft.