“parametric acoustic array”的概念、定义、翻译、参考文献-科学参考

单词	parametric acoustic array
释义	parametric acoustic array [¦par·ǝ¦me·trik ǝ`küs·tik ǝ`rā] ^ACOUSTICS A device for generating very sharp beams of sound devoid of side lobes, consisting of a source of well-collimated high-frequency sound modulated at the frequency of the sound which is to be generated.
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