center: 54 phrases in 18 subjects |
Abbreviation | 15 |
Aeronautics | 1 |
Business | 1 |
Chemistry | 1 |
Ecology | 1 |
Education | 1 |
General | 1 |
Immunology | 2 |
Information technology | 4 |
Law | 2 |
Military | 16 |
Non-governmental organizations | 1 |
Oceanography & oceanology | 2 |
Stock Exchange | 1 |
Technology | 1 |
Trademark | 1 |
United States | 2 |
University | 1 |