英语词汇“radio horizon”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	radio horizon
释义	DictionarySeehorizon radio horizon radio horizon [′rād·ē·ō hə′rīz·ən] (communications) The locus of points at which direct rays from a transmitter become tangential to the surface of the earth; the distance to the radio horizon is affected by atmospheric refraction. radio horizon The locus of points at which rays from a radio transmitter become tangential to the earth's surface; it depends on the refractive index of the atmosphere. See radar horizon.
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