“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	duck husbandry in raised wire-floor duck-pearly mussel farming system duck plague duck plague virus，DPV duck-shaped bronze vessel duck tembusu virus, DTMUV duck virus hepatitis duckweed ducon duct DUCTAC ducted fan ducter duct fiber cable ductile ductile-brittle transition ductile-brittle transition temperature ductile deformation ductile fracture ductile regime grinding ductile shear zone ductilimeter ductilimetry ductility ductility factor

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