“Language Vitality and Endangerment, UNESCO”的概念、定义、翻译、参考文献-科学参考

单词	Language Vitality and Endangerment, UNESCO
释义	Language Vitality and Endangerment, UNESCO 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	phrase structure based syntactic structure phrase structure grammar phrase-structure grammar phrase structure grammar, PSG phrase structure rule phrase structure tree phrase stucture grammar phreatic flow phreatic line phreatic water pH regulation pH regulator phrenic nerve phrenosin phrenotheca pH responsive polymer pH-responsive polymer phrynoderma pH sensor pH sliding agent pH test paper phthalates phthalazinone-based polymer phthalic acid phthalic anhydride

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。