cavity-resonatior frequency meter空腔谐振器: all-invar cavity; rhumbatron ...频率计: frequency meter; frequency i ...同轴(空腔谐振器式)频率计: coaxial-cavity frequency meter空腔谐振器: cavity oscillator; cavity resonantor; cavity resonator; resonant cavity; rhumbatron光空腔谐振器: optical resonator cavity下载手机词典可随时随地查词查翻译
