“分别比估计”的概念、定义、翻译、参考文献-科学参考

单词	分别比估计
释义	分别比估计 Encyclopedia 理学数据收集模式释 separate ratio estimator分别比估计分层随机样本下，对每层样本分别运用比率估计量，然后对各层的比率估计量进行加权平均得到的估计量。
随便看	ventilation and cooling system for mining ventilation bridge ventilation capacity calculation ventilation control combustion ventilation control during mine fires ventilation door ventilation drift ventilation factor ventilation for deep open pit ventilation for radon discharge ventilation induced diaphragm dysfunction ventilation methods ventilation networks conditioning ventilation networks solving ventilation of concentrators ventilation of exploratory tunnel ventilation of tunnel and underground ventilation/perfusion ratio ventilation raise ventilation safety testing ventilation shaft ventilation structures ventilation system ventilation system optimization ventilation wall

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。