jettison 发表于 2025-3-26 22:55:57
http://reply.papertrans.cn/43/4227/422698/422698_31.pngaverse 发表于 2025-3-27 03:33:08
edagogical as well as up-to-date presentation of the topic.IThis comprehensive book presents all aspects of acoustic metamaterials and phononic crystals. The emphasis is on acoustic wave propagation phenomena at interfaces such as refraction, especially unusual refractive properties and negative refstrdulate 发表于 2025-3-27 06:17:46
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http://reply.papertrans.cn/43/4227/422698/422698_34.png使出神 发表于 2025-3-27 15:28:03
http://reply.papertrans.cn/43/4227/422698/422698_35.png中和 发表于 2025-3-27 21:51:47
http://reply.papertrans.cn/43/4227/422698/422698_36.pngonlooker 发表于 2025-3-27 22:52:05
edagogical as well as up-to-date presentation of the topic.IThis comprehensive book presents all aspects of acoustic metamaterials and phononic crystals. The emphasis is on acoustic wave propagation phenomena at interfaces such as refraction, especially unusual refractive properties and negative refPOWER 发表于 2025-3-28 05:25:02
http://reply.papertrans.cn/43/4227/422698/422698_38.png人类学家 发表于 2025-3-28 08:26:13
years with different aging, different light conditions, viewing conditions and with varying face expressions. This excited many researchers to focus on the pattern recognition systems to develop and make the machine as intelligent as the human. A set of measurements and observations about an objectCougar 发表于 2025-3-28 11:37:08
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