The map speed of Gaud is 9 1, and the actual speed is 86 yards. According to relevant data, the difference between the navigation speed and the actual speed is about 5.2%~7.8%, which is about 5~8km/h, and it is concluded that the high-tech display is 9 1 and the actual speed is 86. The navigation speed of Gaode map is usually the result of computer processing after the satellite judges the specific position of the individual.