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| 方位角测定; 定方位角; 探〔测，定〕向 | |||
| 方向测定 | |||
| 测向; 定方位; 方位测定 | |||
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| 探测向 | |||
| 定向 | |||
| 方位测定 | |||
| 方向定位 | |||
| ★ 测向 | |||
| 探〔测〕向 | |||
| 无线电测向 | |||
| 无线电罗盘; 测向器 | |||
| 无线电测向运动; 猎狐 | |||
| 探向 | |||
| English thesaurus | |||
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| d.f. | |||
| A procedure for obtaining bearings of radio frequency emitters by using a highly directional antenna and a display unit on an intercept receiver or ancillary equipment. The process of determining the bearing of an electromagnetic emission. (FRA) | |||
| A procedure for obtaining bearings of radio frequency emitters by using a highly directional antenna and a display unit on an intercept receiver or ancillary equipment (JP 3-13.1) | |||
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| DF (Finder); DF | |||
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direction-finding : 212 phrases in 18 subjects |