“半正定二次估计”的概念、定义、翻译、参考文献-科学参考

单词	半正定二次估计
释义	半正定二次估计 Encyclopedia 理学方差分析模型释 non-negative definite quadratic estimator 半正定二次估计具有半正定二次型形式的估计量。
随便看	atropine atropisomer atropous ovule ATRP ATS ATSC Atsou Koffi Amega at-speed testing ATST Atsumi Kiyoshi AT&T attachable attached database-based search attached-growth process attached lifting scaffold attached organisms sampler attached processor attached variable attaching attaching handle attaching mapping attaching organ attaching space attaching sphere attachment

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。