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1998年10月1日

1分钟阅读

音频聚光灯

一种声纳技术使扬声器能够传递聚焦的声束

作者：大卫·施耐德

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This article was originally published with the title “In the Audio Spotlight” in 大众科学 Magazine Vol. 279 No. 4 (October 1998), p. 40
doi:10.1038/scientificamerican1098-40

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