 |
| system service: 55 phrases in 13 subjects |
| Abbreviation | 25 |
| Accounting | 1 |
| Business | 1 |
| Computer networks | 2 |
| Computers | 2 |
| Ecology | 1 |
| Information technology | 6 |
| Military | 9 |
| New York Stock Exchange | 1 |
| Programming | 1 |
| Stock Exchange | 1 |
| Telecommunications | 2 |
| United States | 3 |