“广州城”的概念、定义、翻译、参考文献-科学参考

单词	广州城
释义	广州城 Encyclopedia 工学〔宋-清﹞释 Guangzhou city广州城位于广东省中部，濒临南海，地处珠江三角洲腹地，北靠白云山，南向狮子洋的中国城市。
随便看	nonnegative definite matrix nonnegative definiteness nonnegative definite quadratic estimate non-negative definite quadratic estimator nonnegative divisor nonnegative element nonnegative function nonnegative integer nonnegative integral kernel nonnegative manifold nonnegative matrix non-negative matrix factorization nonnegative measure nonnegative number nonnegative operator nonnegative orthant nonnegative partial sum nonnegative quadratic form nonnegative semi-definite matrix nonnegative solution nonnegative splitting nonnegativity nonnegativity condition nonnegativity requirement non nesting matching

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。