“radio navigational warnings”的概念、定义、翻译、参考文献-科学参考

单词	radio navigational warnings
释义	radio navigational warnings Encyclopedia 工学〔航海安全〕释 radio navigational warnings无线电航海警告利用无线方式播发的与航行安全有关的紧急信息。多数属临时性质，有些警告的有效期可达数周，直至最后为航海通告所代替。又称无线电航行警告。
随便看	Frente Polisario frenulum frenulum of tongue freon freon poisoning frequence frequence distribution curve frequency frequency-agile radar frequency allocation frequency analysis frequency and duration method frequency approach frequency attribute frequency band frequency bandwidth constraint frequency bridge frequency calibration frequency capture frequency centre frequency characteristic frequency characteristic of sound pressure frequency chart frequency chirp frequency coding

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