 |
Northern Area
| Communications System
| northern area | |
| earth.sc. | 北方地区 |
| communication system | |
| auto. | 对讲设备 |
| manag. | 情报交流系统; 通讯系统 |
| met. | 通信系统 |
| nautic. tech. | 通信系统 |
| space | 通信体制 |
| communications system | |
| environ. | 通讯系统 |
| |||
| 北方地区 | |||
| Northern Area: 5 phrases in 3 subjects |
| Aviation | 2 |
| Earth sciences | 2 |
| Electronics | 1 |
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