“sound irradiator”的概念、定义、翻译、参考文献-科学参考

单词	sound irradiator
释义	sound irradiator [`sau̇nd i´rād·ē´ād·ǝr] ^ACOUSTICS A device for focusing sound waves so that sound of high intensity is produced at the focus.
随便看	radar surveying radar target radar telescope radar theodolite radar threshold limit radar tracking radar tracking information radar tracking station radar transmitter radar transponder radar triangulation radar upper band radar volume radar weather observation radar wind radar wind system radechon radiac radiac instrument radiacmeter radiac set radial radial acceleration radial artery radial assumption

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