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| 无线电数据 | |||
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radio data : 44 phrases in 13 subjects |
| Automobiles | 5 |
| Aviation | 4 |
| Communications | 1 |
| Computer networks | 1 |
| Earth sciences | 2 |
| Electronic commerce | 1 |
| Electronics | 15 |
| Information technology | 1 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Space | 3 |
| Technology | 6 |
| Telecommunications | 2 |