“Defense of Sihang Warehouse”的概念、定义、翻译、参考文献-科学参考

单词	Defense of Sihang Warehouse
释义	Defense of Sihang Warehouse Encyclopedia 历史学政治1释 Defense of Sihang Warehouse四行保卫战 1937年淞沪会战期间，中国抗日将领谢晋元所部为掩护中央作战军主力撤退，坚守四行仓库的战斗。
随便看	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 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。