英语词汇“substandard propagation”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	substandard propagation
释义	substandard propagation substandard propagation [¦səb′stan·dərd ‚präp·ə′gā·shən] (electromagnetism) The propagation of radio energy under conditions of substandard refraction in the atmosphere; that is, refraction by an atmosphere or section of the atmosphere in which the index of refraction decreases with height at a rate of less than 12 N units (unit of index of refraction) per 1000 feet (304.8 meters).
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。