“non negative characteristic form”的概念、定义、翻译、参考文献-科学参考

单词	non negative characteristic form
释义	non negative characteristic form Mathematics ＞偏微分方程＞椭圆型方程＞释义 non-negative characteristic form非负特征形式
随便看	mine noise Min Enze mine park mine personal regional positioning system mine personnel positioning system mine production plan optimization mineragraphy Mineral mineral mineral acid mineral acid; inorganic acid mineral admixture mineral admixtures Mineral admixtures for cement mineral aerosol mineral associations mineral base mineral binding material mineral chemical composition mineral classification mineral classification machinery mineral cleavage plane mineral composition analysis mineral composition of rock mineral composition processing

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。