“back echo”的概念、定义、翻译、参考文献-科学参考

单词	back echo
释义	back echo [`bak ´ek·ō] ^{ELECTROMAGNETISM} An echo signal produced on a radar screen by one of the minor back lobes of a search radar beam.
随便看	Naperian logarithm napex naphtha naphthacene naphtha gas naphthalan naphthalene naphthalene-1,5-disulfonic acid naphthaleneacetamide naphthaleneacetic acid naphthalic acid naphthalin naphthene naphthene base naphthenic acid naphthenic crude naphthine naphthionic acid naphthoresorcinol naphthylamine napier Napier diagram Napierian logarithm Napier's analogies Napier's rules

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