“optimum population”的概念、定义、翻译、参考文献-科学参考

单词	optimum population
释义	optimum population Encyclopedia 管理学农业环境释 optimum population适度人口一定时期内社会物质生产部门和非物质生产部门所需要的适度劳动力人口及由此产生的必要被赡养人口之和。
随便看	positron emission positron emission mammography positron emission tomography positron-emission tomography positron emission tomography-computed tomography positron emission tomography/computed tomography positron emission tomography-computed tomography (PET/CT) positron emission tomography-computed tomography，PET/CT positron emission tomography/magnetic resonance imaging positron emission tomography-magnetic resonance imaging，PET/MRI positron emission tomography (PET) positron emission tomography, PET positron-emission tomography, PET positron emission tomography pharmaceutical positron gun positronium positronium chemistry positronium production POSIX threads programming interface POS machine posology Pospišil POSS Posse possessed by the devil

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。