advanced city for national work of rural Chinese medicine
carrying out national requirements in national defense
integrated technique of indoor work and field work
integration of Indoor work and field work
work system of work safety
11th Chinese national games
11th Five-Year Plan national major scientific and
16th National Congress of CPC
1980 National Coordinate System
1997 National Conference
2(superscript nd) generation National Health Insur
2000 National Geodetic Coordinate System
2002 National Nutrition and Health Survey