“beam parametric amplifier”的概念、定义、翻译、参考文献-科学参考

单词	beam parametric amplifier
释义	beam parametric amplifier [`bēm ´par·ǝ`me·trik `am·plǝ´fī·ǝr] ^ELECTRONICS Parametric amplifier that uses a modulated electron beam to provide a variable reactance.
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