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osculating quadric 密切二次曲面
We call this surface the stress quadric. 我们称这个曲面为应力二次曲面。
Conic sections and quadric surfaces. 二次曲线与二次曲面。
Methods TOPSIS method and osculating value method were adopted. 方法采用TOPSIS法、密切值法。
The modified osculating value method is applied in the lake eutrophication. 将改进后的密切值法应用于湖泊富营养化评价中。
How to prove the problems of inequality by quadric form is discussed. 讨论了利用二次型证明不等式的问题.
New research approach is put forward that the solution can be found by using Osculating value method. 密切值法作为一种多目标的决策方法适用于多测点、多指标的评价系统。
The target dispersion rate is introduced in this paper and the osculating value method is mended. 将多指标转化为单一综合值 ,这是密切值法的最大功能。
Osculating method was used to analyze the air quality data during ten years from1991 to 2000,some results were got. 大气环境质量综合评价是一个城市环境质量考核的重要指标,改进的密切值法是其中一种切实可行的评价方法。
The osculating value method can change the multi index to the single comprehensive value. 将多指标转化为单一综合值,这是密切值法的最大功能。
A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form. 给出了利用初等变换求一个正交变换化实二次型为标准形的简便方法。
The positions of the other objects (asteroids, comets) are calculated by it's osculating orbital elements. 的立场，其他物体（小行星，彗星）的计算方式是，它的密切的轨道要素。Therefore the positions of these objects are accurate only for a small period of time.;因此，职位这些物体是准确的，只有一小部分的一段时间。
The modified osculating value method is applied for the comparison of local water quality. 将改进后的密切值法应用于区域水体水质比较中。
It has appeared many results about regularity for weak solutions of quadric jncreasing parabolic equations. 得到了一类二阶散度型椭圆方程很弱解的一个正则性结果。
The key idea of SSVM is to transform the standard model of SVM into an unconstraint quadric convex programming problem. SSVM模型的基本思想是将标准的支撑向量机模型转化成一个无约束二次凸规划模型进行求解。
Extracting quadric surface from measured data is an important problem in reverse engineering of mechanical parts. 摘要在机械产品的逆向工程中，针对测量数据提取常用二次曲面是非常重要的。
This paper proposes for the first time to use genetic algorithm based on real-number-coding to extract quadric surface. 首次提出利用基于实数编码的遗传算法针对离散数据点进行二次曲面提取。
The principle and procedure of osculating value method, which is one of multi-objective decision, was introduced in this paper. 详细阐述了多目标决策与评价的密切值法的原理、方法与步骤，并通过两个具体实例将该方法与灰色理论、模糊数学等方法进行了分析对比。
On the area of actual process, It is often seen that one surface of the part is quadric surface. 在实际生产中,如果某一加工表面是二次曲面,对于这类曲面轮廓的加工常采用数控加工方法。
In this paper, Osculating value was used in comparing environmental quality among environmental unit or rigional environment. 本文将密切值法应用于多个环境单元或区域环境质量优劣的比较。