“宣纸”的概念、定义、翻译、参考文献-科学参考

单词	宣纸
释义	宣纸 Encyclopedia 艺术学美术材料释 Xuan paper宣纸中国传统书画用纸。理学宣纸释 xuan paper宣纸主要用于书画、裱拓、印刷的手工纸，产地为安徽省宣城市泾县，以青檀皮和沙田稻草为原料制成。
随便看	positive semi-definite form positive semi definite Hermitian matrix positive semi-definite Hermitian matrix positive semi-definite kernel positive semi definite matrix positive semi-definite matrix positive semi-definite operator positive semi definite quadratic form positive semi-definite quadratic form positive semi-definite rational function positive semigroup positive semiorbit positive semi-trough positive sense positive sense single-stranded RNA virus positive sequence positive series positive side positive sidelight positive sign positive skewness positive solution positive species interaction positive spinor positive staining

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。