英语词汇nondirectional radio-beacon怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	nondirectional radio-beacon
释义	nondirectional radio-beacon 翻译没有方向的无线电信标以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义 1 ?全向无线电指向标全向无线电指向标短语 1 NDB Nondirectional Radio Beacon 无方向信标 2 NONDIRECTIONAL radio beacon 信标双语例句 1 A radio beacon which transmits nondirectional signals whereby the pilot can use the ADF to determine his bearing to or from the station. 发射无方向信号的无线电信标台。据此飞行员能够用自动定向仪（ADF ）确定他的背台或向台方位。
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