查询词典 statistics

However, it will be very difficult to find the best plan using statistics in the case that the certain functional relation between the results and factors can't be found in a dynamic measuring process.

为解决这一问题，本文以灰色系统理论为基础，提出了动态测量中一种新的最佳测量方案选择法，它特别适用于不易寻求各误差间确定关系的复杂测量系统。

Focused on impact points of projectile dispersion zone, probability statistics was utilized to build mean function and gamma function,confidence was determined by probability value.

文中在对射弹散布区域的落点进行处理上采用了概率论统计方法，建立均值函数和伽马函数，通过对置信区间的概率取值来确定置信度。

Firstly, the gaseous turbulence statistics of single phase flow, derived from PIV data, were compared with documented DNS results, and it demonstrated the feasibility of turbulence measurement using PIV technology.

本文首先比较了采用传统PIV算法测量的单相湍流统计量与文献中直接数值模拟的结果，证明了PIV测量流场湍流量的可行性。

From statistics, the theorem that the distribution of sample means taken from a large population approaches a normal, Gaussian, curve.

根据此定理，统计抽样的样本量越大，则随机选择的样本平均值越接近于正态分布。

With regard to the external Qinhuai River regulation project in Nanjing City, the inverse Gaussian distribution curve was determined as the flood level frequency curve of the river course by use of the frequency statistics technique, and the parameters λ and μ of the inverse Gaussian distribution were derived according to the current flood design standard.

结合南京市外秦淮河堤防整治工程，放弃传统的堤防潮位频率曲线线型，采用频率统计分析的方法确定了外秦淮河堤防潮位频率曲线的线型为反高斯分布；根据该堤防现行洪水设计标准推求了反高斯分布参数λ和μ。

Secondly, the wavelet coefficients provide important directional information ,the statistics of image wavelet coefficients is generalized Gaussian distribution.

其次，由于小波系数提供了重要的方向信息，图像的小波系数的统计分布具有广义高斯分布特性。

In the study of the asymptotic properties, the testing statistics converges to a zero mean Gaussian process and is very sensitive to the to the local alternatives converging to the null one at a parameter convergent rate.

研究发现，文中的检验统计量在原假设下渐近收敛于一个零均值的高斯过程，并且对以参数速度收敛到原假设的被择分布特别敏锐。

In this paper, the higher-order statistics calculated from vibration signals of a gearbox are ...

研究表明，高阶统计量和径向基函数神经网络相结合的齿轮故障分类方法是有效的

According to the statistics, there are 680 species of seed plants, belonged to 345 genera and 88 families.

据调查统计，本区有野生种子植物88科345属680种。

Statistics show that the change occurred, general manager of the company, Deputy General Manager, Chief Investment Officer, Director of Marketing, is responsible for product design and media relations positions, but also the high incidence of the personnel changes, which lead to fund a "major diversion of the course of events".

统计显示，发生变化，公司副总经理，投资总监，营销总监，总经理，负责产品设计和媒体关系的立场，而且也是人事变动，从而导致基金的高发病率"大转移的事态发展"。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。