Identification point of figure 1: The two lines in the blue circle in the original figure are stuck together up and down, and there is no intersection between the lines, and there is a bulge at the red arrow, even if the ink is thick, the lines are stuck together. ...

2.

Figure 2 Identification points: There are obvious bulges at the three red arrows in the genuine picture, and those without bulges can basically be judged as false flying marks. These three protrusions are not easy to find with the naked eye, so it is best to observe them with a magnifying glass.

3.

Identification point in Figure 3: The steering amplitude at the red arrow in the original drawing is relatively large. If the turning range is small, it is doubtful. Jiu Ge used this feature to identify many highly imitated Fei Biao. ...

4.

Figure 4 Identification points: The word "registered trademark" is commonly used in aircraft identification, and the characteristics at the red arrow should be emphasized when identifying. ...