| 单词 | radio beacon |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔guide〕The planes are guided in by radio beacons.无线发射台引导飞机进入机场。麦克米伦高阶〔home in〕The aircrafts homed in last night by radio beacon after bombing.完成轰炸任务后，轰炸机群昨晚靠无线电信号返回了基地。21世纪英汉〔radio beam〕A focused beam of radio signals transmitted by a radio beacon to guide aircraft or ships.无线电射束：无线电指向标发出的一束无线电讯号给飞机或轮船导航美国传统 |
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