统计精度 meaning in English

statistical accuracy
statistical precision

This paper solves the bottle neck problem of file output in ewsd exchange . it provides a solution to fulfil hot billing , improve the accuracy of service in statistics and backup the system software
通过本文的成果，解决了ewsd交换机文件输出的瓶颈问题，为实现计费文件实时传送、提高话务统计精度、备份系统软件提供了解决方案。
Then the periodic properties of geocenter motion in the x , y , z components are summarized . considering the statistical precision of the gps observations , the geometrical distribution of gps stations and their physical stablility , a new method to determine the parameters of geocenter motion is studied and analyzed . in order to have a better understanding of its effect on the height datum origin , the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn
提出了将谱分析与抗差估计相结合的抗差谱分析方法，并用该方法分析了地心运动时间序列的主要周期特性；为合理地确定地心运动参数，详细研究与分析了一种新的定权方法对求解地心运动参数的作用，该方法充分利用了gps观测量的统计精度、点位的几何分布以及物理稳定性；为了明确地心运动导致的高程基准的变化，分析了地心运动对地面点的水平分量和垂直分量的影响规律。