“老有所为”的概念、定义、翻译、参考文献-科学参考

单词	老有所为
释义	老有所为 Encyclopedia 法学老年人社会参与释 productive aging老有所为老年人以自身需要为基础，在自愿和量力的前提下，以直接或间接形式参与有益于社会、家庭或个人发展的各项活动。
随便看	ratio of consumption wastes treated ratio of division ratio of external division ratio of greater inequality ratio of internal division ratio of magnification ratio of monofilament deviation ratio of Output-to-input ratio of oxygen to uranium ratio of patient beds ratio of progression ratio of similitute ratio of specific heat capacity ratio of surface area ratio of survival ratio of tea polyphenols to amino acids ratio of the circumference of a circle to its diameter ratio of transportation accident ratio of wool yield to liveweight ratio of yield point to plastic viscosity ratio paper ratio parameter ratio programming ratio resistor ratio scale

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。