English thesaurus | |||
| |||
difficulty factor (ssn) |
impedance: 206 phrases in 11 subjects |
Communications | 32 |
Earth sciences | 26 |
Electronics | 110 |
General | 1 |
Industry | 2 |
Information technology | 17 |
Mechanic engineering | 8 |
Medical | 4 |
Scientific | 1 |
Technology | 3 |
Transport | 2 |