“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	Mainardi Mainardi-Codazzi equations main asteroid belt main band Main Bank System main beam main-beam efficiency main belt main-belt asteroid main-belt comet mainboard mainboard, masterboard, motherboard main body Main Botanical Garden of Moscow, Russian Academy of Sciences main branch main-branch library system of Dongguan Library main-branch library system of Suzhou Library main bridge type main building of terminal Main Building of Tianjin West Station maincenter main chain main chain liquid crystalline polymer main-chain liquid crystalline polymer main check line comparison

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