“old age”的概念、定义、翻译、参考文献-科学参考

单词	old age
释义	old age Encyclopedia 法学老年期释 old age老年期人类生命年岁的晚期。处于中年之后的一个生命阶段。
随便看	grassland ecological subsidy policy grassland ecological threshold grassland ecological value accounting grassland ecological water requirement grassland ecosystem grassland ecosystem services grassland ecotourism grassland enclosure grassland establishment grassland ethnic tourism grassland evapotranspiration grassland expert system grassland fence grassland fertilization grassland fire disasters in China grassland folk tourism grassland health tourism grassland hydrology grassland hydrology and water resources grassland in Aba grassland in Altai grassland industry of China grassland in Ganzi grassland in mountain areas of southern China grassland in northwestern Sichuan province

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。