 |
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| 多普勒雷达自动导航仪; 多普勒雷达自动导航系统 | |||
| Doppler radar automatic navigator: 3 phrases in 3 subjects |
| Earth sciences | 1 |
| Electronics | 1 |
| Geophysics | 1 |
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| |||
| 多普勒雷达自动导航仪; 多普勒雷达自动导航系统 | |||
| Doppler radar automatic navigator: 3 phrases in 3 subjects |
| Earth sciences | 1 |
| Electronics | 1 |
| Geophysics | 1 |