“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	International Council of Nurses International Council of Sport Science and Physical Education International Council of the Aeronautical Science International Council on Archives International Council on Combustion engines international counter-terrorism cooperation International County Management Association International Court of Justice International Covenant on Economic, Social and Cultural Rights International Covenants on Human Rights International Creed of Press Ethics international crime International Criminal Court international criminal law International Criminal Police Organization international criminal tribunal International Criminal Tribunal for Rwanda International Criminal Tribunal for the Former Yugoslavia International Crop Science Society International Crops Research Institute for the Semi-Arid Tropics，ICRISAT international [crystal] symbol international crystal symbol International Cultivar Registration Authority, ICRA International Curriculum for Chinese Language Education international custom

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。