理论计算机科学 形式语言与自动机 释文 non-terminal symbol 非终极符 理论计算机科学 形式语言与自动机 释文 variable of a grammar 文法的变量
- China nuclear emergency rescue team
- China Numismatic Museum
- China Nuo Opera Research Institute，C.N.I.
- China Occupational and Health Association
- China Oceanic Archives
- China Offshore Oil and Gas(Geology)
- China Oil Painting Society
- China Oils and Fats
- China Online Information Exchange for Publication—Product Information Format Specification for Books
- China Open
- China Overseas Fisheries Association
- China palaeo-glacier
- China paleo-earthquakes
- China paleo-plates
- China Patent Information Center
- China Pavilion for 2015 Milan Expo
- China Peking Opera Art Festival
- China Periodicals Association
- China Periodical Yearbook
- China Personnel Press
- China Petrochemical Press
- China Petroleum and Natrual Gas Pipeline Research Institute Co.,Ltd.
- China Petroleum Engineering Materials Research Institute
- China Petroleum Machinery
- China Petroleum Processing and Petrochemical Technology