英语词汇“propagation notice”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	propagation notice
释义	propagation notice propagation notice [‚präp·ə′gā·shən ‚nōd·əs] (communications) A forecast of propagation conditions for long-distance radio communications, broadcast at regular intervals over radio stations operated by the National Institute of Standards and Technology.
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