 |
| mapping system: 81 phrases in 23 subjects |
| Agriculture | 1 |
| Astronautics | 6 |
| Automated equipment | 3 |
| Automobiles | 1 |
| Aviation | 1 |
| Biology | 1 |
| Cartography | 1 |
| Computers | 3 |
| Ecology | 2 |
| General | 1 |
| Geography | 1 |
| Geophysics | 1 |
| Information technology | 4 |
| Mass media | 1 |
| Microelectronics | 1 |
| Military | 36 |
| Name of organization | 2 |
| Navigation | 2 |
| Politics | 1 |
| Power system protection | 1 |
| Surveying | 1 |
| Technology | 8 |
| Water resources | 2 |