“productive aging”的概念、定义、翻译、参考文献-科学参考

单词	productive aging
释义	productive aging 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	state equation of stretched wire state equation of superconductor state equation of surface system state equation parameter mixing rule state equation parameters state estimation state estimation fault diagnosis method state estimation of decentralized systems state estimator State Examination state exchange state exclusively funded enterprises in China state explosion state farm state farms group oriented and enterprise oriented reform state farms in the Western Regions state feedback state feedback control state-feedback control state feedback stabilization State Food and Drug Administration，China state formula state function state governance state grammar

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