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CLC X Environmental Science, Safety Science
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Chinese Library Classification
A Marxism, Leninism, Mao Zedong Thought and Deng Xiaoping Theory
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B Philosophy, Religion
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C General Social Sciences
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D Politics, Law
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E Military
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F Economics
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G Culture, Science, Education, Sports
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H Language, Writing
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I Literature
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J Art
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K History and Geography
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N General Natural Sciences
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O Mathematical Sciences and Chemistry
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P Astronomy and Earth Sciences
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Q Biological Sciences
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R Medicine, Health
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S Agricultural Sciences
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T Industrial Technology
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U Transportation
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V Aviation and Aerospace
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X Environmental Science, Safety Science
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Z General Books
X-* general theory of environmental science and safety science
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X-0 theory of environmental science
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X-01 environmental protection policy and explanation
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X-019 environmental protection
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X-1 the current situation and development of environmental science and technology
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X-4 environmental protection publicity education and popularization
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X-6 environmental protection reference tools
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X-65 environmental protection standard
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X-650 environmental standards and standard descriptions
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X-651 environmental quality standard
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X-652 pollutant emissions standard
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X-657 environmental sign
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X1 Basic Environmental Science Theory
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X2 Environmental Protection Management
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X3 Comprehensive Environmental Research
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X4 Disaster Prevention and Control
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X5 Environmental Pollution and its Prevention
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X7 Treatment and Comprehensive Utilization of Three Wastes
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X8 Environmental Quality Assessment and Monitoring
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X9 Safety Science
Subcategories
This category has the following 4 subcategories, out of 4 total.
CLC X2 Environmental Protection Management
(1 C)
CLC X4 Disaster Prevention and Control
(3 C)
CLC X7 Treatment and Comprehensive Utilization of Three Wastes
(4 C)
CLC X9 Safety Science
(1 C)