“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	semi continuous function semi-continuous function semicontinuous function semicontinuous hull semicontinuous mapping semicontinuous matrix semicontinuous operator semicontinuous partition semi continuous polymerization semi-continuous polymerization semi continuous reactor semicontinuous set-valued mapping semicontinuous summation method semicontinuum semi-convection semi convergence semi-convergence semi-convergent series semi-convex semi-convex function semicovariant semicrystalline semi crystalline polymer semi-crystalline polymer semi-crystalline polymers

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