英语词汇“luminous time ratio”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	luminous time ratio
释义	luminous time ratio luminous time ratio [′lü·mə·nəs ′tīm ‚rā·shō] (navigation) Of a navigational light, the ratio of the length of a flash to the period of rotation.
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