“解放型蒸汽机车”的概念、定义、翻译、参考文献-科学参考

单词	解放型蒸汽机车
释义	解放型蒸汽机车 Encyclopedia 艺术学〔中国〕释 China Railways JF解放型蒸汽机车青岛四方厂、大连厂、齐齐哈尔厂等机车厂生产的多种型号的蒸汽机车。
随便看	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 non-nesting matching nonnesting matching non nesting partition

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。