查询词典 standard deviation

The uncertainty given is the expanded combined uncertainty and represents an estimated standard deviation equal to the positive square root of the total variance of the uncertainty of components.

The不确定性是膨胀的联合的不确定性并且代表估计的标准偏差相等与组分不确定性的总变化的正面方根。

In the image processing , the noise filter principal of the digital logical circuit is used to enhance the image background characteristics . And the average of grey-leveland standard deviation are also adopt to increase the contrast of image , such that the identification rate is improved .

在影像波方面，系以位辑电之杂讯过原增强影像中的背景特徵，并辅以灰平均值与标准差之运算法则增强影像中印字与背景特徵的对比，避免在后续的影像处过程中，将背景特徵归为印字特徵。

For both the collinear and wavy microcracks configurations, the critical linkage dominated fracture becomes less probable as the standard deviation of ligament size increases.

对于共线微裂纹和波折微裂纹构型，临界串接主导破坏概率均随着韧带尺寸标准方差的增加，即随着微裂纹随机分布不均匀性的增加而减小。

The effects of standard deviation of random variables and system size on computational accuracy are investigated by several numerical examples and two points estimate method are recommended when computational accuracy and execution time are considered in a comprehensive way.

数值仿真分析了随机变量标准差和系统规模对点估计法计算精度的影响，并指出在综合考虑计算精度和计算时间的情况下，2点估计法的结果令人满意。

Reclaimable rate is within 97%～103%,Relative standard deviation is within 4%.

本方法简单、快速，乳化液稳定时间长，回收率97%~103%，相对标准偏差在4%以内。

The SNR of brain white matter and the background standard deviation were measured within ROI,which cov ered a large homogeneous area of white matter.The mean pixel values were recorde d within the ROI which was positioned of the head of the femur.

设定兴趣区，并测定脑白质均匀区域的信噪比及背景的标准差，以及以盆腔股骨头为ROI，记录ROI的平均值，交替测量肌肉区域的平均值及背景的标准差。

The value of maximum red shift is almost proportion to its standard deviation.

不同标准差颗粒所对应的最大红移量与其标准差呈递增关系。

This paper concerns the problem of how to purchase the reinsurance in order to make the insurer and the reinsurer's total risk least under the standard deviation calculation principle.

本文在标准差保费计算原理下，同时从原保险人与再保险人双方的角度出发，考虑能使得双方风险波动达到最小的再保险策略，并且得出使得再保险双方的共同风险达到最小的最优再保险策略。

The results showed that its maximum relative error of 2.82%, the relative standard deviation of 0.48% when determining the same sample. The method has good veracity and precision.

结果表明，测定样品的最大相对误差为2.82%，重复测定同一样片的相对标准偏差为0.48%，方法的准确性和精密度良好。

The method is based on the optimizing the reaction rate constant by annihilating two-way spectra of reactant and minimizing the residual standard deviation of residual matrix.

在获得动力学参数的前提下，利用最小二乘回归可解出包括中间体在内的各组分的吸收光谱。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。