“方差-协方差矩阵”的概念、定义、翻译、参考文献-科学参考

单词	方差-协方差矩阵
释义	方差-协方差矩阵 Encyclopedia 工学精度释 variace-covariance matrix方差-协方差矩阵随机变量的方差和协方差的集合。是以随机变量的方差为主对角元素，随机变量间的协方差为非主对角元素构成的一个对称方阵。
随便看	project legal person system Project Lesson Learned Report Project Life Cycle Cost Project Life-Cycle Management project life cycle management project life-cycle management Project Macro Environment Evaluation and Review project management project management association project management body of knowledge Project Management by Objective projectmanagementcertifications Project Management Competency Standards project management environment Project Management Information System Project Management Journal Project management maturity model and method project management objectives Project Management Office project management of hydraulic engineering project management of safety engineering project management organization project management organizations designing Project Management Process Project management professional certification

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。