“three-grades training system”的概念、定义、翻译、参考文献-科学参考

单词	three-grades training system
释义	three-grades training system Encyclopedia 教育学中国体育体制释 three-grades training system三级训练体制中华人民共和国成立之初形成的一种竞技体育人才选拔和训练体制。
随便看	curvature of field curvature of parallel curvature of space curvature of space-time curvature of spacetime curvature of the second kind curvature of the three points curvature of the universe curvature operator curvature perturbation curvature radiation curvature radius curvature restriction curvature scalar curvature scalar, scalar curvature curvature tensor curvature tensor field curvature theorem curvature transformation curvature undercooling curvature vector curvature wavefront sensor curve curve analyzer curve and histogram of uranium logging

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。