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| 地面系统 | |||
| 地面系统陆地通信系统，不包括卫星，海缆等系统 | |||
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terrestrial system : 30 phrases in 12 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Communications | 1 |
| Desert science | 1 |
| Earth sciences | 3 |
| Electronics | 6 |
| Hydrology | 1 |
| Name of organization | 1 |
| Space | 5 |
| Technology | 4 |
| Telecommunications | 2 |
| United Nations | 2 |
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