Representing different fields and majors, I summarize as follows: 1. Marxism-Leninism Mao Zedong Thought Q Biological Sciences.

B philosophy, R medicine, health, C social science, S agriculture, forestry, D politics, law and T industrial technology.

, e military, TB general industrial technology, F economy, TD mining engineering, G culture, science and education, sports, TE oil, natural gas industry, G0 comprehensive culture publishing, TF metallurgical industry, G 1 world cultural undertakings, TJ weapons industry, G4 education, TK power engineering, G5 sports, I literature, J art, K history, geography, etc.