echelon: 50 phrases in 15 subjects |
Alternative dispute resolution | 1 |
Antennas and waveguides | 1 |
Communications | 1 |
Construction | 1 |
Economy | 1 |
General | 5 |
Life sciences | 4 |
Mathematics | 2 |
Measuring instruments | 1 |
Mining | 5 |
Optics branch of physics | 11 |
Physics | 11 |
Reliability | 2 |
Transport | 3 |
Weapons and gunsmithing | 1 |