“谱系树模式”的概念、定义、翻译、参考文献-科学参考

单词	谱系树模式
释义	谱系树模式 Encyclopedia 文学历史比较语言学释 Family-Tree Model谱系树模式以树形图的形式展示亲属语言与原始语派生关系的学说。语言演变的一个经典理论模型，用以描述亲属语言的谱系分类体系和在时间中的演化过程。最初由德国语言学家A.施莱歇尔在其《印度日耳曼系语言比较语法纲要》（1861～1862）中提出。
随便看	positive curvature manifold positive cycle positive definite positive definite bi linear form positive definite bi-linear form positive definite closed form positive definite form positive definite function positive definite functional positive definite Hermitian matrix positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness positive definite operator positive definite potential positive definite product positive definite quadratic form positive definite scalar product positive definite sequence positive definite solution positive definite space positive definite tensor positive definte rational fanction positive deviation

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。