“positive aging”的概念、定义、翻译、参考文献-科学参考

单词	positive aging
释义	positive aging Encyclopedia 理学选择-最优化-补偿模型释 positive aging积极老龄化个体对衰老保持积极态度，为了提高生活质量，使参与健康和保障的机会尽可能获得最佳程度的过程。
随便看	contrapositive of the implication contrapositive sentence contrapositive theorem contra punctus per recte et retro contrarian behavior contrariness contrarotate contrarotation contrary contrary event contrary propositions contrary theorem contrast contrast agent contrast analysis contrast and harmony contrast character contrast coefficient contrast color contrast, contrast ratio contrast design contrast developer contrast effect contrast-enhanced CT contrast-enhanced ultrasonography，CEUS

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。