“正常算符”的概念、定义、翻译、参考文献-科学参考

单词	正常算符
释义	正常算符 Mathematics ＞泛函分析＞算子和谱＞释义 normal operator正常算子
随便看	needle punching needle-punching density needle-punching depth needle-punching frequency needle retention method needle roller embroidery needle scanning needle-shaped variation needle-shaped wollastonite needle size needlet needle variation needle withdrawal method needling interlining needling sensation needling Si Feng point need of human needs assessment need-to-know Neel Neel point Neel temperature Neel wall neem Neeme Järvi

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。