“materials with acoustic gradad index”的概念、定义、翻译、参考文献-科学参考

单词	materials with acoustic gradad index
释义	materials with acoustic gradad index Encyclopedia 理学声学超常材料释 materials with acoustic gradad index声梯度折射率材料一种非均质的复合材料，它的组分和结构在材料内部按一定规律连续变化，从而使折射率也相应地呈连续变化。
随便看	barbs Barbu Delavrancia barbule BARC barcarolle Barcarolles Barcelona Barcelona 1992 Olympic Games image design Barcelona Comprehensive Metropolitan Area Plan Barcelona planning Barcelona Redevelopment Xi Ban Ya Ba SaiLuo Na Cheng Shi She Ji bar chart bar charts bar code barcode barcode auto-identification technology Barcode Luminescence in front of Ocean County Public Library bar code reader barcode reader bar code reader, bar code scanner bar code recognition barcode recognition technology bar code scanner Barcol hardness tester bar column

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