National Health Interview Survey
National Health Interview Survey Taiwan
national survey of land use
Continuing Household Health Interview Survey
Health interview Survey
Household health interview survey
household interview survey
carrying out national requirements in national defense
Cross-section Survey and Profiles Survey
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