查询词典 singular bivariate normal distribution

After the completion of DAE with removal of singular points, a DAE system may be transformed into ordinary differential equations on manifolds; it is also possible to transform DAE to a singular perturbed system as ODE.

通过将DAE完备化并去掉奇异部分，可以把DAE化为流形上的常微系统；也可以将DAE化为奇异摄动系统而得到ODE。

Based on long term study, we put forward new algorithm of recognizing fingerprint directional diagram: the iterative algorithm based on model, which revises the singular points (central point and triangulation point) and fingerprint directional diagram through local and global iteration. Hence, the algorithm can recognize the directional diagram and singular point more accurately and can extract detail features more accurately.

经过长期的研究，我们提出全新的判别指纹方向图算法：基于模型的迭代算法，通过局部和全局反复迭代修正图像的奇异点和指纹方向图，更能准确地判断指纹方向图、奇异点，从而更能准确地提取细节特征点。

2Nd person singular preterite indicative with the ending -''t'' and the same root vowel as the 1st and 3rd persons singular.

第二人称单数过去直陈式以-''t''结尾，以及在字根有著和第一人称单数与第三人称的单数相同的母音。

On the basis of Nagumo′s existence theorem for the singular case, we obtain the existence of solutions of singular equations satisfying nonlinear boundary value conditions and periodic boundary value conditions by means of approximations.

在Nagumo型存在定理的基础上，我们应用逼近的方法给出了奇性方程满足非线性边值条件和周期边值条件的解的存在性。

When a basic kinematic chain reaches a singular configuration, the complex linkage is at a singular position.

即对组成复杂机构的数量有限的基本运动链进行奇异分析，推导出这些复杂基本运动链产生奇异位置构型的奇异性条件，然后将之看作是复杂机构和操作手奇异分析的基本模块；只要一个基本运动链达到奇异位置时，该复杂机构即处于奇异位置。

In accord with the characteristics of singular integrals in boundary element method for solving problems of thick plates on two parameter foundation,all formulas for calculating singular integrals are set up by selecting the displacements and stresses which satisfy the governing differential equations in this paper,on the principle of virtual energy.

根据双参数地基上厚板弯曲问题边界单元法中所遇奇异积分的特点，选取满足该问题微分控制方程的位移及内力场，建立了全部奇异积分的计算公式，有效地解决了边界元法在该问题应用中高阶奇异积分的计算问题

Combining with the element-free method,a boundary element method without singular integration is presented by using non-singular fundamental solution to establish the boundary integral equation for electromagnetic field.

用非奇异基本解建立电磁场问题的边界积分方程，将其与无单元法相结合，提出了电磁场计算的无奇异积分的边界无单元法，编制了相应的计算程序，计算结果表明，方法合理可行。

In the past, there exists difficulty for calculating nearly singular integrals arising from boundary element analysis of the problems of thin body. However, by now, the difficulty of nearly singular integrals has been resolved by analytical integral algorithm, which has been put into uses in analyzing the conventional structures and thin body structures in the potential problems.

过去边界元法求解薄体结构存在着几乎奇异积分的困难，目前几乎奇异积分问题已得到成功解决，解析积分算法也已成功应用于分析二维位势问题常规结构和薄体结构。

Using the method of singular Lyapunov's function, we give the theories which singular systems exist stationary oscillation.

第四章对广义系统给出其有界性的相关定义，利用广义Lyapunov函数，讨论了广义非线性系统的有界性问题，并得到了周期广义系统若存在一个最终有界解，则必存在周期解的结论，推广了古典系统相应的结论。

So we have in the dissertation: 1. First we proposed the minimal singular blending function, and established the minimal singular blending functions of power form、Bernstein form and Bézier form.

提出了最小奇异混合函数，研究了它的建立方法，给出了各种形式的最小奇异混合函数，有幂形式、Bézier基形式及Bernstein-Bézier基形式。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。