理论计算机科学 可计算性与计算复杂性 释文 polynomial space complexity class, PSPACE 多项式空间复杂性类
- national overall emergency plan of China
- National Palace Museum of Korea
- national park
- National Park of China
- national park of China emblem
- National Park of the Upper Niger
- National Parks of Canada
- National Parks of Japan
- National Party of Australia
- National Party of Nigeria
- National Peking Higher Normal School
- National People's Congress of the People's Republic of China
- National Petroleum and Natural Gas Pipeline Network Group Co., Ltd
- national pharmaceutical reference substance
- National Photographic Art Exhibition
- National Photography Theory Seminar
- national photo tour of Young Companion
- National Physical Atlas of the People’s Republic of China
- National Physical Laboratory
- national physique
- national physique monitoring
- National Pilot Projects of Electronic Records Management
- National plan for grassland protection, construction and utilization of China
- National Plan for Library Coordination
- National Plan for Prevention and Control of desertification （2011-2020）