“waveguide below-cutoff attenuator”的概念、定义、翻译、参考文献-科学参考

单词	waveguide below-cutoff attenuator
释义	waveguide below-cutoff attenuator Encyclopedia 工学微波衰减计量释 waveguide below-cutoff attenuator波导截止衰减器衰减的基准原器。又称活塞衰减器。
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