 |
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| circle range; range | |||
| 度盘标度: 64 phrases in 15 subjects |
| Air defense | 1 |
| Automobiles | 4 |
| Aviation | 1 |
| Electronics | 6 |
| General | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 3 |
| Shipbuilding | 1 |
| Skydiving | 1 |
| Space | 2 |
| Sports | 1 |
| Statistics | 1 |
| Technology | 37 |
| Telecommunications | 1 |
| Textile industry | 1 |