“高龄老人”的概念、定义、翻译、参考文献-科学参考

单词	高龄老人
释义	高龄老人 Encyclopedia 医学高龄老人释 oldest old person高龄老人年龄在80岁及以上的老年人。法学年龄释 the oldest-old高龄老人 80岁以上的老人。
随便看	convex-concave function convex-concave mapping convex cone convex constraint condition convex cooperative game convex core convex curve convex decomposition convex domain convex down convex down curve convex duality convex equivalence relation convex extension convex figure convex figure of constant width convex function convex functional convex fundamental polyhedron convex fuzzy set convex game convex geometry convex half-space convex hull convex hull algorithm

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。