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Radar Cross-Section : 139 phrases in 12 subjects |
| Air defense | 1 |
| Antennas and waveguides | 9 |
| Astronautics | 2 |
| Aviation | 17 |
| Electronics | 4 |
| Military | 20 |
| Nanotechnology | 18 |
| Paint, varnish and lacquer | 1 |
| Radioengineering | 10 |
| Radiolocation | 5 |
| Space | 46 |
| Technology | 6 |