 |
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| 全向无线电导航系统 | |||
| 全向无线电信标 (beacon); ★ 全向信标; ★ 又称中波导航台 | |||
| 全向无线电信标; 全向指向标 | |||
| 全向导航 | |||
| |||
| 全向无线电信标 | |||
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omnidirectional range : 54 phrases in 13 subjects |
| Air defense | 3 |
| Aviation | 19 |
| Construction | 1 |
| Electronics | 11 |
| General | 3 |
| Geophysics | 1 |
| Information technology | 1 |
| Navigation | 1 |
| Power electronics | 1 |
| Remote sensing | 1 |
| Skydiving | 1 |
| Space | 2 |
| Technology | 9 |