| English thesaurus | |||
| |||
| processing sub system (ssn) | |||
|
processing subsystem : 37 phrases in 11 subjects |
| Air defense | 2 |
| Aviation | 6 |
| Business | 1 |
| Computer networks | 1 |
| Computers | 1 |
| Earth sciences | 7 |
| Electronics | 13 |
| Geophysics | 1 |
| Space | 2 |
| Technology | 1 |
| Telecommunications | 2 |