What the subject wants to ask is what is the difference between Nongwen go and g4? The domestic serial number of 1. publication consists of numbers and letters, which respectively represent regions and publication types, and letters represent publication types.

2. For example, G4 stands for educational publications, while G stands for education, culture, sports, science and other publications, so the difference between them is obvious.

3, G is the representative of the whole, and there are G0, G 1, G2, G3, G4 and G8 below, all of which belong to a branch of G.