英语词汇“free-space 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	free-space propagation
释义	free-space propagation free-space propagation [′frē ‚spās ‚präp·ə′gā·shən] (electromagnetism) Propagation of electromagnetic radiation over a straight-line path in a vacuum or ideal atmosphere, sufficiently removed from all objects that affect the wave in any way.
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