This paper deals with the estimation of population mean in systematic sampling by use of auxiliary information in order to improve the accuracy of the estimate.
讨论了等距抽样中,如何利用辅助信息改进总体平均值的估计,以达到提高估计精度之目的。
The effects of stirred velocity, chlorine flow rate, air auxiliary flow rate, solids loading, mean particle diameter and reaction temperature on global process rate are investigated and analyzed.
考察了搅拌速度、氯气流量、辅助空气流量、固体联二脲浓度、粒度及反应温度对过程速率的影响。 分析了影响过程速率的主要因素。
Finally discusses the Lagrange mean value theorem proof method of constructing auxiliary function in order to expand on the idea of theorem proving.
最后探讨了拉格朗日中值定理证明中辅助函数的构造方法,以此拓展对定理证明的思路。
Constructing auxiliary functions is the key in using differential mean value theorem to solve problems; there are many methods for constructing auxiliary functions.
构造辅助函数是利用微分中值定理解决问题的关键,构造辅助函数的方法较多。
The paper proposes new separate ratio estimators for population mean using known skewness coefficient of auxiliary variable in stratified random sampling.
本文在分层随机抽样下通过使用辅助变量的偏斜系数提出了几个总体均值的估计。
In the mean time, the auxiliary equipment, control and trouble diagnosis, as well as the air conditioning equipment are described.
同时,还对列车辅助设备、控制及故障诊断以及空调设备等作了介绍。
Meteorological sounding facilities as mentioned in these Measures shall mean the places, apparatus and equipment used in various forms of meteorological sounding and their auxiliary facilities.
本办法所称气象探测设施,是指用于各类气象探测的场地、仪器、设备及其附属设施。
Mean value theorem and Taylor formula are generally proofed by constructing an auxiliary function.
中值定理是研究函数特性的一个有力工具。
Mean value theorem and Taylor formula are generally proofed by constructing an auxiliary function.
中值定理是研究函数特性的一个有力工具。
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