查询词典 shortest confidence interval

From the known inverse moment estimator ra,Give confidence level l-a,the followingsystem can be establishedThus we obtain the confidence interval of the accelerated coefficient V-V0 =At last this article testified the validity of this method by an example.

的单调性，即可得到加速系数八产、V0二的置信水平为1一a的置信区间为，汤认。一份几叭司最后举例验证方法的有效性。

This article points out several approximately arithmetic about confidence probability and confidence interval of normal distribution for evaluation of uncertainty.

本文提出了不确定度分析中常用的正态分布置信概率、置信区间的几种近似算法。

The results of simulation experiments show that their algorithms can increase the confidence degree of confidence interval, and improve the performance of simulation output analysis technique.

实验检验表明，本文提出的方法提高了置信区间的置信度，大大改进了稳态仿真输出分析方法的性能。

In unusual cases, a confidence set may consist of a collection of several separate intervals, which may include semi-infinite intervals, and it is possible that an outcome of a confidence-interval calculation could be the set of all values from minus infinity to plus infinity.

在个别情况下，一个置信系列可以由一系列的多个单独区间组成，其中可能包括半无穷区间。这种情况下，一个置信区间的结果值有可能会是这一系列值当中的一个。

By study of the statistic characteristics of flood forecasting errors and their confidence intervals for Nushi watershed at Sanhuajian of the Yellow River and on the basis of a comparison of the precision criterion currently used for flood forecasting with the result of the error confidence interval method, it is concluded that the error of flood forecasting is of the characteristic of skew probability distribution, and that the evaluated results of forecasting errors are different by the above two methods.

因此，本文在三花间伊河卢氏流域洪水预报的基础上研究了误差置信限及误差置信限评定方法，并将误差置信限评定结果与现行水情预报精度标准[1]评定结果进行了比较。1 现行洪水预报评定方法流域洪水预报精度评定内容包括洪峰流量、峰现时间和洪量等。洪水预报误差指标有绝对误差、相对误差和确定性系数3种。预报误差小于许可误差时为合格预报。

The subjects were undergraduates in most self-confidence research in China, but we will choose high school students in this article. One of the goal is to know the high school students\' self-confidence level, the other one is to discuss the relationship among their self-confidence, interpersonal besetment and learning performance.

海内现有关于自信的体系研讨中，更多的是以大学生群体为被试，而本研讨以高中生为研讨对象，研讨目的有两个：一是了解高中生自信的总体状况，二是探讨高中生自信与同窗关系困扰、师生关系困扰间的关系，以及高中生自信与学业成就之间的关系。

Social self-confidence, physical self-confidence and the total scores of self-confidence scale played completely mediating role between students\' domestic economy and student relations besetment.

社交自信、身体自信和自信总分在家庭经济与同窗关系困扰之间起着完全中介作用。

This thesis has generalized the characteristics of displacement model's confidence region, inferenced the shapes of plane and space displacement confidence region, determined calculating formula of confidence region.

文中对位移模型置信域的基本特征进行了归纳、推导，确定了平面和空间位移置信域形状，给出了确定置信域的计算式。

We use the Taylor series expansion method to get the second-order approximate expression of the confidence region of the parameters, and then according to the principle of minimizing the volume of the confidence region, this paper carries out experimental design for the regression model, and then fixes the point range in the domain of definition of design variable for the model function so as to select the designing point, which can minimize the volume of the confidence region.

文章首先计算指数族非线性模型的回归参数β在1-α置信水平下的置信域的体积，为了便于计算，需把置信域投影到切空间中去，投影后的置信域是一个椭球体，用Taylor展开方法对此椭球体的体积进行二阶近似，推出原参数置信域的体积的近似表达式，然后对回归模型进行试验设计，根据置信域体积最小准则，在模型函数的设计变量的定义域上确定点列，选取使置信域体积达到最小的设计点。

The moderate self-confidence situation is the good psychological performance, it will be able to urge the university student psychology the health development, nearly will produce the inner dynamics, will cause them positively displays, the optimistic point of view in the study and the life "outstanding" the self-confidence can cause the individual university student to have, the complacent point of view arrogantly, if they will come across the setback, not the ideal means will restore, then, once will have "is outstanding" the self-confidence university student to be able to give up oneself or fills to society's disaffection.

适度自信心情况是良好的心理表现，它将会促使大学生心理的健康发展，近而产生内部动力，使他们在学习和生活上表现出积极、乐观的心态。"优秀"自信心会使个别的大学生出现骄傲、自满的心态，如果他们遇到挫折，没有理想的办法来恢复，那么，曾拥有"优秀"自信心的大学生将会放弃自己或充满对社会的不满。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。