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无线电罗盘
| 环形天线
| 无线电罗盘 | |
| gen. | direction-finder; radiogoniometer |
| construct. | sense finder |
| navig. | radio compass |
| oil | radiocompass; telecompass; wireless compass |
| 环形天线 | |
| space | annular antenna |
| |||
| direction-finder | |||
| automatic direction finder (通过发射电磁信号来确定方向的设备，可以用在飞机上也可以用在地面设备上。自动测向仪的工作频率为低频或中频，主要部分包括一个环行天线，并给出发射机的零位。使用测向天线可以解决180°模糊问题。最常用的自动测向仪利用了称为 NDB (全向信标)的地面发射站) | |||
| sense finder | |||
| high frequency direction finder | |||
| radio compass | |||
| radiocompass; telecompass; wireless compass | |||
| automatic radio direction finder; automatic direction finder; direction finding; direction finder | |||
| |||
| radiogoniometer | |||
| 无线电罗盘: 19 phrases in 7 subjects |
| Air defense | 2 |
| Aviation | 2 |
| Electronics | 1 |
| General | 1 |
| Port facilities | 1 |
| Space | 6 |
| Technology | 6 |
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