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| radar head | |||
| radar A system using beamed and reflected radiofrequency energy for detecting and locating objects, measuring distance or altitude, navigating, homing, bombing and other purposes | |||
| radar apparatus | |||
| radar; primary radar | |||
| radiodetection and ranging | |||
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tutka : 32 短语, 5 学科 |
| 技术 | 1 |
| 收音机 | 5 |
| 机械工程 | 2 |
| 电子产品 | 4 |
| 通讯 | 20 |