- 问题详情: Tomovevisualtechnologyintothefuture,sometimesithelpstomakealittlenoise.Researchershaveusedsoundwavestoproducefloating3-Dimages,createasenseoftouchandevensupplyasoundtrack.Sincethe1940s,scientistshavetoyedwiththeconceptofacousticlevitati...
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