jettison 发表于 2025-3-26 22:55:57

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averse 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 ref

strdulate 发表于 2025-3-27 06:17:46

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sleep-spindles 发表于 2025-3-27 12:54:30

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使出神 发表于 2025-3-27 15:28:03

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中和 发表于 2025-3-27 21:51:47

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onlooker 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 ref

POWER 发表于 2025-3-28 05:25:02

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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 object

Cougar 发表于 2025-3-28 11:37:08

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