“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	relatively open relatively open set relatively perfect set relatively prime relatively prime elements relatively prime functions relatively prime ideals relatively prime numbers relatively prime polynomials relatively pseudo-complemented lattice relatively quasicompact set relatively regular operator relatively stable relatively strong topology relatively uniform convergence relatively unstable relative magnetic permeability relative manifold relative maximum relative maximum error relative measurement relative method relative metric relative minimal curve relative minimum

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