I Marxism-Leninism and Mao Zedong Thought.

A 1 works of Marx and Engels

A2 Lenin's works

A3 Stalin's Works

A4 Mao Zedong's Works

A49 Deng Xiaoping's Works

A collection of works by Marx, Engels, Lenin, Stalin, Mao Zedong and Deng Xiaoping.

The life and biographies of Marx, Engels, Lenin, Stalin, Mao Zedong and Deng Xiaoping.

A8 Studying and researching Marxism–Leninism, Mao Zedong Thought and Deng Xiaoping Theory.

philosophy

B0 philosophy theory

B 1 world philosophy

B2 China's philosophy

B3 Asian philosophy

B4 African philosophy

B5 European philosophy

B6 Oceania philosophy

B7 American philosophy

B80 Logic Science (General)

B8 1 logic

B82 code of ethics

B83 aesthetics

B84 psychology

B9 Atheism and Religion

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Introduction to social science

C0 Social Science Theory and Methodology

C 1 current situation and development of social sciences

C2 Social Science Institutions, Groups and Conferences

C3 Social Science Research Methods

C4 Social Science Education and Popularization

C5 social science series, anthology and series of publications

C6 social science reference books

C[7] social science literature retrieval reference books

C8 statistics

C9 1 sociology

C92 demography

C93 management science

C[94] system science

C95 ethnology

C96 talent science

C97 labor science

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Politics, law

D0 political theory

D1* * proletarian movement

Producer of China * * *

D3 Country * * * Producer

D4 Workers, peasants, youth and women's movements and organizations

D5 World Politics

D6 Politics in China

D73/77 national politics

D8 Diplomacy and International Relations

D9 law

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E military

E0 military theory

E 1 world military

E2 China Military

E3/7 Military affairs of various countries

E8 strategy, military service, Science of Tactics.

E9 military technology

E99 Military Topography and Military Geography

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F economy

F0 political economy

F0-0 Marxist Political Economy (General)

F0 1 Basic Problems of Economics

Mode of production in pre-capitalist society

F03 mode of production in capitalist society

F04 Mode of production in socialist society

F05 *** Mode of production in capitalist society

F06 branch of economics

F08 Economics of all disciplines

F09 History of Economic Thought

F 1 Economic survey, economic history and economic geography of all countries in the world

F 1 1 world economy and international economic relations

China Economy +02

F 13/ 17 national economy

F2 Economic planning and management

F20 National Economic Management

F2 1 economic plan

F22 methods of economic calculation and economic mathematics

F23 accounting

F239 audit

F24 labor economy

F25 material economy

F27 enterprise economy

F28 Basic economic construction

F29 City and Municipal Economy

F3 agricultural economy

F30 agricultural economic theory

F3 1 World Agricultural Economy

F32 China agricultural economy

F33/37 Agricultural economy in various countries

F4 industrial economy

F40 industrial economic theory

F4 1 World Industrial Economy

F42 China industrial economy

F43/47 Industrial economy of various countries

F49 Information Industry Economy (General)

F5 transportation economy

F50 transport economic theory

F5 1 Overview of countries around the world

F53 Railway transport economy

F54 Land and Road Transport Economy

F55 Waterway Transportation Economy

F56 air transport economy

F57 Urban Traffic Economy

F59 Tourism Economy

F590 Theory and Method of Tourism Economy

F59 1 World Tourism

F592 Tourism in China

F593/597 Tourism in various countries

F6 post and telecommunications economy

F60 post and telecommunications economic theory

F6 1 post

F62 Telecom

F63 World Posts and Telecommunications

F7 trade economy

F7 1 domestic trade and economy

F72 China's domestic trade economy

F73 Domestic Trade and Economy in the World

F74 international trade

F75 Foreign trade of various countries

F76 commodity science

F8 Finance and Finance

F8 1 Finance and State Finance

F82 currency

F83 Finance and Banking

F84 insurance

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G. Culture, science, education and sports

G0 cultural theory

G 1 culture and cultural undertakings of all countries in the world

G2 Information and knowledge dissemination

G-20 Information and Communication Theory

G20 1 News and Journalism

G22 radio and television industry

G23 publishing industry

G24 mass cultural undertakings

G25 Library Science and Library Cause

G26 Museology and Museology

G27 Archives Science and Archives Cause

G3 Science and scientific research

G30 scientific research theory

G3 1 scientific research work

G32 World Scientific Research

G35 Information Science and Information Work

G4 education

G40 pedagogy

G4 1 ideological and political education, moral education

G42 teaching theory

G43 audio-visual education

G44 Educational Psychology

G45 Teachers and students

G46 education management

G47 school management

G48 School Building and Equipment Management

G5 1 Education in the world

G52 China Education

G53/57 Education in various countries

G6 1 preschool education, preschool education

G62 primary education

G63 secondary education

G64 higher education

G65 normal education

G7 1 Vocational and Technical Education

Group of 72 Adult Education and Amateur Education

Group of 74 Overseas Chinese Education and Overseas Chinese Education

Group of 75 Minority Education

Group of 76 special education

Group of 77 social education

Group of 78 Family Education

G79 self-study

G8 sports

G80 sports theory

G8 1 World Sports

G8 18 Sports Ground and Equipment

G8 19 Sports Technology (General)

G82 track and field sports

G83 gymnastics

G84 ball games

G85 Wushu and National Sports

G86 water, ice and snow sports

G87 other sports

G89 cultural and sports activities

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H. Language and writing

H0 linguistics

H002 language planning

H003 language classification

The Distribution of H004 Language

H0 1 voice

H02 philology

H03 semantics, pragmatics, lexicology and semantics

H05 Writing and Rhetoric

H059 Translation Studies

H06 dictionary compilation

H07 dialectics

H08 applied linguistics

H09 Chinese teaching

H 1 Chinese

H 1 1 voice

H 12 philology

H 13 Semantics, Vocabulary and Meaning (Exegetics)

H 14 grammar

H 15 Writing and Rhetoric

H 159 translation

H 16 word book, dictionary, dictionary

H 17 dialect

H 19 Chinese teaching

H2 China Minority Languages

H3 Common foreign languages

H3 1 English

H32 French

H33 German

H34 Spanish

H35 Russian

H36 Japanese

H37 Arabic

H4 Sino-Tibetan language family

H5 Altaic language family

H6 1 South Asian language family

H62 South Indian language family

H63 Austronesian language family

H64 Northeast Asian Language

H65 Caucasian family

H66 Uralic language family

H67 language family containing flash

H7 Indo-European family

H8 1 African languages

H83 American language

H84 Language of Oceania

H9 international auxiliary words

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I. Literature

I0 literary theory

I 1 world literature

I 106 works review and research

I 109 history of literature and literary thought

I 1 1 portfolio

I2 China Literature

I200 policy and its formulation

I206 Literary Criticism and Research

I207 Various Literary Criticism and Research

I209 History of Literature and History of Literary Thought

I2 1 portfolio

I22 Poetry and verse

I23 Dramatic Literature

I239 Quyi

I24 novel

I25 reportage

I26 prose

I269 miscellaneous

I27 Folk Literature

I28 Children's Literature

I29 Minority Literature

I299 religious documents

I3/7 National Literature

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J art

J0 Art Theory

J 1 overview of world art

J2 painting

J29 Calligraphy and Seal Cutting

JBOY3 sculpture

J4 photography art

J5 arts and crafts

J[59] architectural art

J6 music

J7 dance

J8 Drama Art

J9 movie and television art

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History, geography

K0 historical theory

K0 1 Philosophical Basis of Historiography

K02 social development theory

K03 historical monograph

K04 chronology

K05 Historical Materials Science

K06 historical research

K09 historiography history

K 1 world history

K 10 general history

K 1 1 Shang ancient history

K 12 ancient history

K 13 medieval history

K 14 modern history

K 15 modern history

K 18 National Historical Records

K2 History of China

The history of K20

K2 1 primitive society

K22 slave society

K23 feudal society

K25 is a semi-colonial and semi-feudal society.

People's Republic of China (PRC) K27 period

K29 local chronicles

K3 Asian history

K4 African history

K5 European history

K6 History of Oceania

K7 American history

K8 1 Biography

Research and Compilation of K8 10 Biography

K8 1 1 World Biography

K82 China Biography

K833/837 biographies of people from various countries

K85 Literature Archaeology

K[852] ancient philology

K853 heraldry

K854 archaeological method

K86 World Cultural Relics Archaeology

K87 China Cultural Relics Archaeology

K883/887 Archaeology of Cultural Relics in Various Countries

K89 customs and habits

K9 geography

K90 geography

K9 1 World Geography

K92 Geography of China

K93/97 National Geographic

K99 map

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Introduction to natural science

Theory and method of natural science

Present situation and development of natural science

N2 Natural Science Institutions, Groups and Conferences

N3 natural science research methods

N4 Natural Science Education and Popularization

N5 natural science books, anthologies and series publications

N6 natural science reference books

N[7] natural science literature retrieval tools

N8 Natural Science Investigation and Investigation

N9 1 Natural Studies and Natural History

N93 nonlinear science

N94 system science

N[99] Information Science and Information Work

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Mathematical science and chemistry

O 1 mathematics

O 1-0 mathematical theory

O 1-8 calculation tool

O 1 1 classical mathematics

O 1 19 China mathematics

O 12 elementary mathematics

O 13 advanced mathematics

O 14 Mathematical Logic and Mathematical Basis

O 15 algebra, number theory, combinatorial theory

O 17 mathematical analysis

O 18 geometry and topology

O 19 power system theory

O2 1 Probability Theory and Mathematical Statistics

Research on O22 Operation

O23 Cybernetics and Information Theory (Mathematical Theory)

O24 computational mathematics

O29 applied mathematics

O3 mechanics

O3 1 Theoretical Mechanics

O32 vibration mechanics

O33 continuum mechanics (deformation mechanics)

O34 solid mechanics

O35 fluid mechanics

O369 physical mechanics

O37 rheology

O38 explosion mechanics

O39 Applied Mechanics

O4 physics

O4 1 Theoretical Physics

O42 acoustics

O43 optical element

O44 electromagnetism, electrodynamics

O45 radio physics

O46 vacuum electronic equipment

O469 condensed matter physics

O47 semiconductor physics

O48 solid state physics

O5 1 low-temperature physics

O52 high pressure and high temperature physics

O53 plasma physics

Thermodynamic theory of O55 and molecular motion of matter

O56 molecular physics, atomic physics

O57 Nuclear Physics and High Energy Physics

O59 applied physics

O6 chemistry

O6 1 inorganic chemistry

O62 organic chemistry

O63 Polymer Chemistry (Polymer)

O64 physical chemistry (theoretical chemistry), chemical physics

O65 analytical chemistry

O69 applied chemistry

O7 crystallography

O7 1 geometric crystallography

O72 X-ray crystallography

O73 crystal physics

O74 crystal chemistry

O75 Amorphous and Quasi-crystalline States

O76 crystal structure

O77 crystal defect

O78 crystal growth

Physical and chemical process of O79 crystal

O799 applied crystallography

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P astronomy, geographical science

P 1 astronomy

P2 drawing

P3 Geophysics

P4 Atmospheric Science (Meteorology)

P5 geology

P7 Oceanography

P9 Physical Geography

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Q bioscience

Q 1 general biology

Q 1-0 Introduction to Life Science

Q 10 the origin of life

Q 1 1 biological evolution and development

Q 13 biomorphology

Q 14 ecology

Q 15 biological distribution and biogeography

Q 16 conservation biology

Q 17 aquatic biology

Q 18 parasitic biology

Q 19 biological taxonomy

Q2 cell biology

Q2 1 cell formation and evolution

Q[23] cytogenetics

Q24 cell morphology

Q25 cell physiology

Cell biochemistry of Q26

Q27 cell biophysics

Q[29 1] Cell Molecular Biology

Q3 genetics

Inheritance and variation of Q3 1

Q32 hybridization and hybrid

Q[33] Artificial selection and natural selection

Q34 branch of genetics

Q [36]

Q[37] plant genetics

Q[38] Animal genetics

Q [39] Human Genetics

Q4 physiology

Q4 1 general physiology

Q42 neurophysiology

Q43 physiological analyzer

Q44 Physiology of Motor Organs

Q45 Endocrine Physiology

Q46 Cyclic Physiology

Q47 Respiratory Physiology

Q48 Digestive Physiology

Q49 1 excretory physiology

Q492 Reproductive Physiology

Q493 Metabolism and Nutrition

Q494 Special environmental physiology and ecological physiology

Q495 Comparative physiology and evolutionary physiology

Q5 biochemistry

Q50 general questions

Q5 1 protein

Q52 nucleic acid

Q53 sugar

Q54 lipid

Q55 enzyme

Q56 vitamin

Q57 hormone

Q58 Other chemical constituents of organisms

Q59 1 Material metabolism and energy metabolism

Humoral metabolism

Q593 organ biochemistry

Q594 comparative biochemistry

Applied biochemistry

Q6 biophysics

Q6 1 theoretical biophysics

Q62 Bioacoustics

Q63 Biooptics

Q64 bioelectromagnetism

Q65 biotherm

Q66 Biomechanics

Chemical biology of 67 objects

Q68 Influence of Physical Factors on Biology

Q69 1 radiobiology (radiobiology)

Q [692] bionic

space biology

Q7 molecular biology

Structure and function of Q7 1 biomacromolecule

Structure and Function of Q73 Biofilm

Structure and Function of Q74 Biological Small Molecules

Q75 molecular genetics

Q77 Bioenergy Conversion

Q78 genetic engineering (genetic engineering)

Q8 1 bioengineering (biotechnology)

Q8 1 1 bionic

Q8 13 Cell Engineering

Q8 14 enzyme engineering

Q8 19 Bioengineering Application

Q[89] Environmental Biology

Q9 1 paleontology

Q93 Microbiology

botany

Q95 Zoology

Q96 entomology

Q98 Anthropology

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Medicine and health

R 1 preventive medicine and hygiene

R2 China Medicine

R3 basic medicine

R4 clinical medicine

R5 internal medicine

R6 surgery

R7 1 obstetrics and gynecology

R72 Pediatrics

R73 Oncology

R74 neurology and psychiatry

R75 Dermatology and Sexology

R76 Otolaryngology

R77 ophthalmology

R78 stomatology

R79 Foreign Ethnic Medicine

R8 Special Medicine

R9 pharmacy

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American agricultural science

S 1 basic agricultural science

S2 agricultural engineering

S3 Agronomy (Agronomy)

S4 Plant protection

S5 crop

S6 gardening

S7 forestry

S8 Animal husbandry, animal medicine, hunting, silkworm, bee

S9 Aquatic products and fisheries

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technology

TB general industrial technology

TD mining engineering

TE oil and gas industry

TF metallurgical industry

Metallurgy and metal technology

Machinery and instrument industry

TJ weapon industry

TK power engineering

TL atomic energy technology

TM electrical technology

Radio electronics and telecommunications technology

TP automation technology and computing technology

TQ chemical industry

Light industry and handicraft industry

Slaughterhouse science

Television water conservancy project

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U transportation

U 1 integrated transportation

U2 railway transportation

U4 road transportation

U6 waterway transportation

[8]

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V. Aviation and aerospace

V 1 Aerospace Technology Research and Exploration

V2 aviation

V4 Aerospace (Space Travel)

V [7] Aviation and Space Medicine

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X environmental science, labor protection science (safety science)

X 1 basic theory of environmental science

X2 environmental protection management

X3 comprehensive environmental research

X4 disaster and its prevention

X5 Environmental Pollution and Its Prevention

X7 Three Wastes Treatment and Comprehensive Utilization

X8 Environmental Quality Assessment and Environmental Monitoring

X9 safety science

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Z comprehensive books

Z 1 series

Z2 Encyclopedias and Books

Z3 dictionary

Z4 Prose, Complete Works, Selected Works and Essays

Z5 Annual signing and publication

Z6 periodicals and serial publications

Z8 Book Contents, Abstracts and Indexes