“parabolic microphone”的概念、定义、翻译、参考文献-科学参考

单词	parabolic microphone
释义	parabolic microphone [¦par·ǝ¦bäl·ik `mī·krǝ´fōn] ^{ENGINEERING ACOUSTICS} A microphone used at the focal point of a parabolic sound reflector to give improved sensitivity and directivity, as required for picking up a band marching down a football field.
随便看	coaxial cavity coaxial cavity magnetron coaxial circles coaxial connector coaxial-cylinder magnetron coaxial cylinders coaxial diode coaxial filter coaxial hybrid coaxial isolator coaxial line coaxial-line resonator coaxially fed linear array coaxial machine gun coaxial planes coaxial relay coaxial speaker coaxial stub coaxial switch coaxial transistor coaxial transmission line coaxial wavemeter coaxing cob cobalamin

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