“语言活力与语言濒危”的概念、定义、翻译、参考文献-科学参考

单词	语言活力与语言濒危
释义	语言活力与语言濒危 Encyclopedia 文学语言规划学释 Language Vitality and Endangerment, UNESCO《语言活力与语言濒危》联合国教科文组织濒危语言问题特别专家组于2003年发布的用于评估特定语言濒危程度的框架文件。
随便看	positron-annihilation technique positron-electron annihilation 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

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。