“International Day of Older Persons”的概念、定义、翻译、参考文献-科学参考

单词	International Day of Older Persons
释义	International Day of Older Persons Encyclopedia 法学〔基本概念〕释 International Day of Older Persons国际老年人节由联合国设立的节日，旨在呼吁人类关注老龄化问题。
随便看	regular closed subspace regular closed ultrafilter regular closure regular cluster regular cluster of galaxies regular coloring regular commutator regular compensation regular complete intersection regular complex function regular component regular composition regular conditional distribution regular conditional probability regular cone regular confidence region regular configuration regular congruence regular conic section regular conjugate bases regular continuation regular continued fraction regular control regular convergence regular convex polyhedron

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。