“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	seed division seed dormancy seed dormancy cycle of herbage species seed dormancy type of herbage species seed dryer seed drying seeded polymerization seed electromagnetic processor seeder seed fern seed fibers seed-field model seed fill algorithm seed garder seed germination accelerating seed harvester seedholder seed industry policy seeding seeding devices of electric heating seeding method of fruit trees Seediq language seed irradiation seed key seed law

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。