“radio-frequency filter”的概念、定义、翻译、参考文献-科学参考

单词	radio-frequency filter
释义	radio-frequency filter [`rād·ē·ō ¦frē·kwǝn·sē ´fil·tǝr] ^ELECTRONICS An electric filter which enhances signals at certain radio frequencies or attenuates signals at undesired radio frequencies.
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