英语词汇“echo area”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	echo area
释义	echo area echo area [′ek‚ō ‚er·ē·ə] (electromagnetism) In radar, the area of a fictitious perfect reflector of electromagnetic waves that would reflect the same amount of energy back to the radar as the actual target. Also known as radar cross section; target cross section.
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