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| English thesaurus | |||
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| RFM | |||
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Radio Frequency : 161 phrases in 21 subjects |
| Automated equipment | 2 |
| Automobiles | 1 |
| Chemistry | 1 |
| Communications | 66 |
| Earth sciences | 1 |
| Electronics | 49 |
| Fishery fishing industry | 1 |
| General | 1 |
| Industry | 6 |
| Information technology | 6 |
| Magnetics | 1 |
| Meteorology | 1 |
| Microsoft | 3 |
| Natural sciences | 1 |
| Navigation | 1 |
| Plastics | 1 |
| Politics | 1 |
| Radio | 6 |
| Statistics | 2 |
| Technology | 8 |
| Transport | 2 |