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机译:Ultra-broadband sound absorption of a multiple-cavity metastructure with gradient thickness
Key Laboratory of Traffic Safety on Track (Central South University), Ministry of Education, School of Traffic and Transportation Engineering, Central South University, Changsha, China, State Key Laboratory of High Performance Complex Manufacturing, Centr;
Key Laboratory of Traffic Safety on Track (Central South University), Ministry of Education, School of Traffic and Transportation Engineering, Central South University, Changsha, China, Joint International Research Laboratory of Key Technology for Rail Tr;
Multiple subcavities; Multiple order resonance; Porous material; Ultra-broadband;