The simplicity of a value-weighted index has to be replaced by a set of complex rules.
简单的市值加权指数已经被一系列复杂的规则所代替。
Indices were created so investors could have a sense of how the overall market is performing, and market value-weighted indices do this very well.
引入指数的概念是为了使投资人对整体市场有大概的认识,依据市值权重的指数在这方面表现非常良好。
The expected overall value of the estimate (E) is the weighted average
期望的整体估计(E)值是加权平均值
The technical definition of variance is the random variable's second central moment, the weighted average of the square of the differences from the expected value.
3方差的专业定义是随机变量的二次中心矩,与期望值之差的平方的加权平均值。
Optimizes turning Angle of various sections in the public feasible zone, and then obtains the optimal value of target functions by evaluating weighted mean.
在公共可行域内优化各个截面的转角,然后加权平均可得到目标函数的最优值。
Objective To discuss the application value of diffusion weighted image (DWI) in brainstem infarction.
目的探讨弥散加权成像(DWI)在脑干梗塞中的应用价值。
Objective To investigate the diagnostic value of diffusion weighted imaging ( DWI) in acute cerebral infarction.
目的探讨低场磁共振弥散加权成像(DWI)诊断急性脑梗死的价值。
Computing method of weighted value for feature item based on text representation can determine extraction of text feature, which have influence on accuracy of the text clustering.
文本表示中特征项的权值计算方法决定了文本特征的提取,在很大程度上影响了文本聚类的准确率。
By adopting similar, dissimilar and inverse connection Numbers and their state sorting analysis, comprehensive evaluation can be done under the condition of disregarding weighted value of factors.
采用同异反联系数及其态势排序分析技术,可以在不计因素权重值的情况下,进行系统综合评判。
By adopting similar, dissimilar and inverse connection Numbers and their state sorting analysis, comprehensive evaluation can be done under the condition of disregarding weighted value of factor.
采用同异反联系数及其态势排序分析技术,可以在不计因素权重值的情况下,进行系统综合评判。
The value of a project's cash flows discounted at the weighted average cost of capital or an appropriate discount rate.
项目现金流按加权平均资本成本或适当折现率折现的价值。
Objective: To evaluate the value of diffusion weighted magnetic resonance imaging in diagnosis and differentiation of focal liver masses.
目的:评价磁共振扩散加权成像在肝占位性病变中的诊断及鉴别诊断的价值及意义。
Using the method of value analysis, a comprehensive weighted evaluation parameter for automotive dynamics and fuel economy is discussed in the paper.
本文运用价值分析的方法,对汽车动力性和燃油经济性的加权综合评价指标进行了研究。
A simple example reveals that the existing weighted average cost of capital (WACC) formula for valuation conflicts with the principle of value additivity.
一个简单的例子揭示了现有的加权平均资本成本(WACC)计算公式违背了价值的可加性原理。
According to the changes of gray value range of images pollute by salt and pepper noise, this paper proposed an improved weighted mean filtering algorithm.
根据椒盐噪声污染图像灰度值取值范围的变化,提出了一种改进的加权均值滤波算法。
Then, using hierarchical weighted method, the evaluation results are regarded as the normalized abnormality value to evaluate the real time traffic of host networks.
其次,采用层次加权方法,并将评估结果作为归一化异常度值,对主机网络的实时流量进行评估。
An expected value (or ev) is a weighted average value, based on probabilities. The expected value for a single event can offer a helpful guide for management decisions.
预计值是基于发生概率的一个加权平均值。预计值对于单一事件时可以给予管理决策一个很好的导向。
Objective To compare the value of MR diffusion weighted imaging (DWI), perfusion weighted imaging (PWI), and CT perfusion imaging (CTPI) in evaluating a model of acute cerebral venous occlusion.
目的对比磁共振扩散加权成像(DWI)、灌注加权成像(PWI)和CT灌注成像(CTPI)评价急性脑静脉闭塞模型的价值。
ABSTRACT: Objective To evaluate the feasibility and clinical value of whole body diffusion weighted magnetic resonance imaging (WB-DWI) in detection of bone metastases.
摘要:目的通过与核素骨显像比较,探讨全身磁共振弥散加权成像(WB - DWI)探测骨转移瘤的可行性及临床价值。
A weighted area scheme is designed for calculating mean value of a regional meteorological field.
针对求解物理量在一定区域内的平均值问题,设计了一种权重面积方法。
Objective To explore the value of diffusion weighed imaging (DWI) and perfusion weighted imaging (PWI) in the diagnosis of the ischemic penumbra (IP) of superacute infarction.
目的探讨磁共振扩散加权成像(DWI)和灌注加权成像(PWI)对早期脑梗死缺血半暗带(IP)的诊断价值。
Objective To assess the diagnostic value of perfusion weighted MR imaging technique in monitoring vascularization of tissue engineered bone.
目的探讨磁共振灌注成像在组织工程骨血管化监测中的应用价值。
Objective To assess the diagnostic value of contrast enhanced perfusion weighted MR imaging technique in differential diagnosis between benign and malignant musculoskeletal neoplasms.
目的研究对比剂增强MR灌注成像技术在骨骼软组织肿瘤良恶性鉴别诊断中的应用价值。
Purpose: to investigate the value of susceptibility-weighted imaging (SWI) in evaluating the histopathologic grade of cerebral astrocytomas.
目的:探讨磁敏感成像(SWI)在脑星形细胞瘤分级中的价值。
According to the characteristics of mixed data signals, this paper proposes a new fuzzy smoothing method, which USES weighted mean idea to share the neighboring samples' data value.
本文针对混合数据信号的特征,提出一种新的模糊平滑法,沿用加权平均的思想,对信号相邻的点之间进行加权运算。
A dot density weighted fuzzy C-means algorithm is proposed by using density size of data dot regarded as weighted value and distributing characteristic of datas own.
利用数据点的密度大小作为权值,借助数据本身的分布特性,提出了一种点密度加权模糊c -均值算法。
With a stopwatch measurement, take 5 times the weighted average value.
用秒表计量,取5次加权平均值。
The hierarchical structure of support value evaluation of damaged-targets is established using analytic hierarchy process, and the weighted coefficient is obtained.
首先通过运用层次分析法建立了受损目标保障价值评估模型的层次结构,并获得指标因素的权重系数。
The hierarchical structure of support value evaluation of damaged-targets is established using analytic hierarchy process, and the weighted coefficient is obtained.
首先通过运用层次分析法建立了受损目标保障价值评估模型的层次结构,并获得指标因素的权重系数。
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