查询词典 variance

The effect of important factors on beer buffer capacity and pH, meanwhile, the optimum proportion of buffer substances at the maximum beer buffer capacity can be determined by means of orthogonal experiment with many targets and analysis of variance for correlation ratio.

通过多指标的正交实验及方差分析，确定了影响啤酒缓冲容量和pH值的主要因素以及缓冲容量最大时缓冲组分的最佳比例。

By using the nonlinear PCA, the obtained principal synthetic components are used to replace the original index and the synthetic evaluation value is gained by computing linear sum of the variance contributing ratio which is used as the weight.

利用该方法对监测点的电能质量进行综合评估，用得到的综合主成分指标代替原来较多的评估指标，将主成分的方差贡献率作为权重，以主成分的线性加权值作为综合评估的结果。

The use of the variance steering ratio can not only raise the steering stability under the high vehicle speed, but also reduce the uncomfortable feeling and steering burden. This is helpful for the subjective evaluation of four-wheel steering vehicle.

采用变转向比方式的四轮转向车辆，不仅能够提高车辆高速时的操纵稳定性能，还能减少驾驶员转向时的不适应和负担，改善对四轮转向车辆操纵稳定性的主观评价。

Then, separately through the variance ratio method and the cointegeration approach, tests the efficiency and the unbiasbility of price discovery function, thereby identifies the realization degree of China's grain futures market price discovery function.

然后，分别用方差比检验法和协整关系检验法实证检验了我国粮食期货市场价格发现功能的有效性和无偏性，从而检验我国粮食期货市场价格发现功能的实现程度。

Therefore when parameter of some branches changes smally in fluid network,it is rapid and convenient to obtain the resistance variance ratio with the flux of all the branches.

从而当管网中某些分支参数发生微小变化时，可以方便快捷地得出各分支流量对这些分支阻抗的变化率。

This paper presents the relativity between the equivalent diameter and turbidity of settled water,proposes a method of coagula-tion control used the equivalent diameter and an alum image segmentation algorithm based on the maximal variance ratio .

本文介绍了絮体等效直径与沉淀水浊度的相关性，提出利用絮体等效直径进行混凝控制的方法和基于最大方差比的矾花图像分割算法。

Based on the idea of tolerance-robustness design,considering the fuzziness of product quality,and taking the ratio of the variance of probability density function of deviation distribution for the close-loop to the probability of high-quality product as design objectives,the objective function of the loss of quality robustness for this tolerance optimization design was established.

在目标函数中，加工成本是优化的一个重要目标，即寻求总加工成本的最小化，同时还要使设计的产品质量稳健性好，即寻求产品质量稳健性损失成本的最小化。

With the consideration of the spatial variation of physical parameters of soft clay, the probabilistic characteristics of the one-dimensional average degree of consolidation of soft clay was studied and its sensitivity of variance to permeability, void ratio and compression coefficient of soil was also analyzed.

在考虑岩土参数空间变异性的情况下，对软粘土地基一维固结平均固结度的概率特征进行了研究，分析了平均固结度的概率特征对渗透系数、孔隙比和压缩系数三参数变异性的敏感性，进行了岩土参数分布类型对平均固结度影响的正交试验，并根据试验结果进行了方差分析，为进一步开展多层地基固结的可靠性分析打下了基础。

The test conclusions indicates that the long-term equilibrium relationship between SZZS series and its optimal series is not significant, but the short-term dynamic relationship is comparatively significant; since 2007, the ratio of variance to its mean is more than 0.4, which implies that SZZS is deviated from its optimal level to a great extent, which is the basic feature of bull market or bear market, and this also verify the robustness of these conclusions.

实证结论表明，上证指数序列与其均值序列的长期均衡关系不显著，但短期的动态关系比较明显；从2007年开始，上海股市的标准差/均值相当大，超过了0.4，这意味着上证指数偏离其均值的程度较大，这是牛、熊市的基本特征，这也印证了本文结论的强健性。

Based on the market microstructure theory, this paper firstly discusses how the different trading mechanisms decide the price and the relationship of the trading mechanism and the volatility of return. Then selecting the stocks synchronously listed in the market of Mainland China and Hong Kong as the sample, we empirically analyze the relationship of the trading mechanism and the volatility of return. After describing the originality variance ratio of the markets, this paper explains the outcome of the empirical and makes a GARCH (1, 1) model for further analyze.

本文以金融市场微观结构理论为基础，首先从理论上探讨了不同的交易机制对股票价格的确定过程，以及交易机制与股票价格波动性的关系问题；接着本文选用同在中国大陆和中国香港地区上市的公司股票每日的开盘和收盘价格为样本，分别以收益率的原始方差比和GARCH(1， 1)模型估计的方差比实证分析了交易机制与股价波动性的关系。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。