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| rational system (Yeldar Azanbayev) | |||
| рациональная система: 19 phrases in 14 subjects |
| Advertising | 1 |
| Artificial intelligence | 1 |
| Astronautics | 2 |
| Automated equipment | 1 |
| Business | 1 |
| Ecology | 4 |
| Electronics | 1 |
| Hydrology | 1 |
| Mathematics | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Programming | 2 |
| Sakhalin | 1 |
| United Nations | 1 |