查询词典 quadratic

With regard to the estimation of the variance components, many statisticians proposed a number of approaches, such as the Analysis of Variance Estimator, Maximum Likelihood Estimator, Restricted MLE, and the Minimum Norm Quadratic Unbiased Estimator, etc.

关于方差分量的估计统计学家们提出了许多方法，如方差分析估计，极大似然估计，限制极大似然估计，最小范数二次无偏估计等。

The suspended sediment exponent model and quadratic inversion model solving spectrum reflectance, spectrum reflectance mean value and reflectance first-order derivative are established respectively, based on the analysis of spectrum characteristics. The results showed that the 900 nm wavelength exponent model can accurately quantitatively inverse the suspended sediment concentrations.

在对其光谱特性进行分析的基础上，分别建立了悬浮泥沙光谱反射率、光谱反射率均值和反射率一阶微分的指数反演模型和二次反演模型，结果显示 900 nm 波长的指数模型可以较准确地定量反演出悬浮泥沙浓度。

V It is proved that, under quadratic loss, the admissibility of a common estimator of mean vector with respect to multivariate t-error model is related to its dimention.

v证明了多元t-分布均值向量的一个常用估计在二次损失下的可容许性与维数有关。

In Chapter 1, we introduce some theories and methods about the estimation of regression coefficient and do some preparations including some theories in the mean vector, the covariance matrix, the quadratic form of random vector, matrix derivative.

第1章概括介绍线性回归模型回归系数估计的一些理论和方法，并给出均值向量与协方差阵、随机向量的二次型、矩阵微商等预备知识。

The impact of critical technology parameters which were cooking temperature?cheddar pH and stretching temperature on full fat Mozzarella cheese textural properties(TPA Hardness?TPA Cohesiveness?TPA Springness)and functional properties(Meltability?Free oil)was studied in this peaper by using currency three factors quadratic rotation design. It came to the conclusions that TPA Hard and Free Oil were increased properly with cooking temperature increased,the formation of free oil was increased with stretching t...

采用三因素二次通用旋转组合设计，研究热缩温度、堆酿pH、拉伸温度等关键工艺参数对全脂Mozzarella干酪的质构特性和功能特性的影响规律，结果表明提高热缩温度可增加干酪硬度及干酪的油脂析出性；提高拉伸温度也可增加干酪的油脂析出性；堆酿pH对干酪的弹性有较大影响，随着堆酿pH的降低，干酪的弹性增大，并与热烫拉伸温度之间有交互作用，即低的堆酿pH和高的拉伸温度时干酪的弹性大。

The impact of critical technology parameters which were cooking temperature? cheddar pH and stretching temperature on full fat Mozzarella cheese textural properties(TPA Hardness?TPA Cohesiveness?TPA Springness)and functional properties(Meltability?Free oil)was studied in this peaper by using currency three factors quadratic rotation design.

采用三因素二次通用旋转组合设计，研究热缩温度、堆酿pH、拉伸温度等关键工艺参数对全脂Mozzarella干酪的质构特性和功能特性的影响规律，结果表明提高热缩温度可增加干酪硬度及干酪的油脂析出性

In this paper we compare memory requirements for RTINs using planar and quadratic surface patches.

在本文中，我们比较平面使用RTINs的记忆要求和二次曲面的修补程序。

Firstly, the principle and the techniques of measuring the displacement on surface using quadratic-exposure speckle charts were introduced, and the meterage of thickness and nonuniformity of transparent solid using laser speckle techniques was discussed.

首先介绍了应用二次曝光散斑图测量物体表面的面内位移的原理和方法；在此基础上论述了激光散斑技术针对透明固体的厚度及其非均匀性的测量。

Based on definitions and propositions and examples,it is first proposed the method of undetermined coefficients for normal quadratic curve equations.

0引言由二次曲线的射影定义可知，平面上任五个不同的点，其中没有四点共线，则过此五点唯一确定一条二次曲线。

Metric normal form. of quadratic form .

二次形式的度量标准形式。。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。