Category:CLC N942
Chinese Library Classification
A Marxism, Leninism, Mao Zedong Thought and Deng Xiaoping Theory · B Philosophy, Religion · C General Social Sciences · D Politics, Law · E Military · F Economics · G Culture, Science, Education, Sports · H Language, Writing · I Literature · J Art · K History and Geography · N General Natural Sciences · O Mathematical Sciences and Chemistry · P Astronomy and Earth Sciences · Q Biological Sciences · R Medicine, Health · S Agricultural Sciences · T Industrial Technology · U Transportation · V Aviation and Aerospace · X Environmental Science, Safety Science · Z General Books
N-55 · N-7 · N0 Theory and Methodology of Natural Sciences · N1 Current Status and Development of Natural Sciences · N2 Natural Science Organizations, Groups, Conferences · N3 Natural Science Research Methods · N4 Education and Popularization of Natural Sciences · N5 Natural Science Series, Anthologies, Serial Publications · N6 Natural Science Reference Books · N7 Information Retrieval Tools in Natural Science · N8 Natural Science Surveys and Investigations · N9
N91 Natural Research, Natural History · N93 Nonlinear Science · N94 System Science · N99 Information Science, Intelligence Work
N941 System Science, Modern System Theory · N942 · N945 Systems Engineering · N949 Applications of System Science in Various Fields
N942.45
A Marxism, Leninism, Mao Zedong Thought and Deng Xiaoping Theory · B Philosophy, Religion · C General Social Sciences · D Politics, Law · E Military · F Economics · G Culture, Science, Education, Sports · H Language, Writing · I Literature · J Art · K History and Geography · N General Natural Sciences · O Mathematical Sciences and Chemistry · P Astronomy and Earth Sciences · Q Biological Sciences · R Medicine, Health · S Agricultural Sciences · T Industrial Technology · U Transportation · V Aviation and Aerospace · X Environmental Science, Safety Science · Z General Books
N-55 · N-7 · N0 Theory and Methodology of Natural Sciences · N1 Current Status and Development of Natural Sciences · N2 Natural Science Organizations, Groups, Conferences · N3 Natural Science Research Methods · N4 Education and Popularization of Natural Sciences · N5 Natural Science Series, Anthologies, Serial Publications · N6 Natural Science Reference Books · N7 Information Retrieval Tools in Natural Science · N8 Natural Science Surveys and Investigations · N9
N91 Natural Research, Natural History · N93 Nonlinear Science · N94 System Science · N99 Information Science, Intelligence Work
N941 System Science, Modern System Theory · N942 · N945 Systems Engineering · N949 Applications of System Science in Various Fields
N942.45