| SYSTEM | |
| abbr. | Saves You Serious Time Energy And Money |
| abbr. el. | systematic interaction model |
| abbr. mil., WMD | system |
| system | |
| abbr. | syst; syst. |
| abbr. AI. | SI system |
| abbr. auto. | aided manufacturing system; gasoline injection system |
|
Communication : 17 phrases in 10 subjects |
| Abbreviation | 4 |
| Aviation | 3 |
| Communications | 1 |
| Computers | 1 |
| General | 2 |
| Mathematics | 1 |
| Non-governmental organizations | 1 |
| Telecommunications | 1 |
| Transport | 1 |
| University | 2 |