查询词典 standard deviation

Finishing calculation of mean value, standard deviation, skewness, kurtosis of Beta distribution.(2) Fitting parameters of many kinds of typical distribution and using residual deviation to evaluate fitting precision.(3) Using Beta distribution as an agreed indication distribution applied to many kinds of practical photoelectric measurement distributions.(4) Deriving theory formula of Bayes point estimation about Beta distribution parameters and mean value and standard deviation on the condition of mean square error loss function and supposed the prior distribution is uniform distribution.(5) Generating MCMC sample from post distribution by the method of Gibbs sample algorithm. Calculating bayes point estimation from sample on the condition of mean square error loss function. Calculating confidence interval by an approximate method to complete interval estimation.

本文的主要工作有：(1)解决了Beta分布参数a和b的精确计算以及均值、标准差、偏度、峰度的计算问题；(2)拟合出10余种典型分布的Beta分布的两个参数，并且采用剩余标准差评价该Beta分布的拟合精度；(3)对多种典型的光学与光电测量系统的测量分布进行了Beta分布统示表示；(4)在假设先验分布为均匀分布前提下，得到参数a和b以及均值μ和标准差σ在均方误差损失函数下的贝叶斯点估计理论计算公式；(5)利用直接抽样的Gibbs抽样算法，从后验分布中产生MCMC样本，从样本直接计算均方误差损失函数下的贝叶斯点估计，并使用一种近似方法计算其置信区间，完成区间估计。

Metering application for review of assessment standards: measurement standard assessment the original of the application; standard measurement of the original assessment certificate; evaluation standard measurement certificate is valid within the standard set measurement device and the main equipment of a copy of the certificate; returns to replace the standard measurement; measurement Standard in the near future to carry out verification / calibration of the original records and test / calibration copy of the certificate; stability of the measurement standard evaluation copy of the record; measurement standard measurement repeatability evaluation copy of the record; measurement standards in the two-cycle test run between the inspection or verification Test copies of the records.

申请计量标准复查考核：计量标准考核申请书原件；计量标准考核证书原件；计量标准考核证书有效期内标准器及主要配套计量设备的检定证书复印件；计量标准更换申报表；计量标准近期开展检定/校准的原始记录和检定/校准证书复印件；计量标准稳定性考核记录复印件；计量标准测量重复性考核记录复印件；计量标准器在两周期检定之间进行运行检查或验证比对试验记录复印件。4。

You also get your sample mean, the standard deviation ( this is the estimated standard deviation ), and the estimated standard error of the mean.

你也能获得你的样本平均值，标准偏差，和平均值的估计误差。

The company mainly produces Chinese Standard GB5782, GB5783, GB5785, GB5786; German Standard DIN931, DIN933, A325M; ISO-International Standard ISO4014, ISO4017; ANSI American Standard A307 and A-10 external hexagon head bolts; Chinese Standard GB1228, German Standard DIN6914 and American Standard A325 high strength steel structural hexagon head bolts; GB3632 high strength steel structural torsion bolt; DIN934 hexagon head nut.

公司主要生产国标GB5782、GB5783、GB5785、GB5786，德制DIN931、 DIN933，国际标准ISO4014、 ISO4017，美制A307、A-10、A325M等外六角螺栓；国标GB1228、德制DIN6914、美制A325重型钢结构六角螺栓；GB3632钢结构高强度扭剪型螺栓；DIN934六角螺母。

The article exoatiats on the reasons of hole deviation; analyses a great many of recent field application of deviation control , gains a nice bit of field experience and theory on deviation control .

本文阐述了井斜产生的原因；归纳分析了今年来国内井斜控制技术在现场应用情况；结合静力学防斜理论和动力学防斜理论，总结了大量井斜控制技术现场应用的工程经验和理论，对防斜钻井技术研究及防斜钻井实践有重要参考、指导意义。

Considering the pitch deviation, pitch accumulative deviation, flank angle deviation and their combined influence on the pitch diameter, the authors present a complete differential optimal approximate model in this paper and use the ideal thread to approximate the actual thread radially and axially.

本文建立的螺纹中径当量全微分优化逼近模型，考虑了螺距偏差、螺距累积偏差和半角偏差本身及其相互间对中径的综合影响，并用理想螺纹在径向和轴向二维逼近实际螺纹。

Based on Lissajou figures, using radius vector deviation to express figure form deviation, the relation between radius vector deviation and signal waveform parameters is analyzed.

以Lissajou图形计算法为基础，用向径偏差来表征图形形状偏差，分析了向径偏差与信号波形参数之间的关系，设计了编码器动态细分误差快速评价系统。

The author asserts that combining the whipstock with deviation drilling bits and deviation survey devices can bring about a simultaneous completion of deviationmaking with direetion-ehanging, thus can save two or three days for each deviation-making.

笔者在详述了结构原理和试验情况后指出，这种造斜器与造斜钻头、随钻测斜仪配套，可实现造斜和扭方位一次成功，每次造斜可减少起下钻2～3次，节省2～3天时间。

Consisted of investor conservatism deviation and excessive confidence deviation with the presupposition of self-attribution deviation.

给出包括投资者保守性偏差和以归因偏差为条件的过度自信偏差的一个行为金融学模型。

Under the framework of DHS model, this paper tries to build a behavioral finance model in a cross section market, consisted of investor conservatism deviation and excessive confidence deviation with the presupposition of self-attribution deviation.

本文基於DHS模型，在一个截面市场中，给出包括投资者保守性偏差和以归因偏差为条件的过度自信偏差的一个行为金融学模型。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。