Statistical standard of economic losses from injury - fatal accidents of enterprise staff and workers 企业职工伤亡事故经济损失统计标准
The reason , as i ' ve also said , is a lifetime , and by common statistical standards rather more , of teaching , writing , discussing economics and on occasion directing economic action 原因是,我也说过,我一生,如果更多地从普遍的统计学标准来看,都在从事有关经济学的教学,写作,讨论,有时也指导经济活动。
It firstly introduces the meaning of library evaluation , international evaluation norms such as performance measurement and statistical standards , and the results of the evaluation situations in american academic libraries 首先阐述图书馆评?意义,介绍国际上绩效评估与统计标?等评?规? ,以及美国学术图书馆评?实行情形。
The influences of the signal - to - noise ratio and the integration limit on reverberation times evaluation are weakened , and a minimum statistical standard deviation and 95 % probability confidence interval are obtained 同时,对比现有其他方法在统计上有最小的估值标准差,其均值的95 %概率置信区间也最小,有效地提高了混响时间的估值精度。