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1)  singular point
奇点
1.
The number of limit cycles of generalized Liénard system surrounding multiple singular points;
包围多个奇点的广义Liénard系统的极限环的个数
2.
Discussion on functional sampling near limit point of listable singular points;
有关可列个奇点的极限点附近函数取值情况的讨论
3.
On the Existence and Uniqueness of Limit Cycles for Lienard-Type Eqations with Multiple Singular Points;
具多个奇点Lienard型方程极限环的存在唯一性
2)  singularity [英][,sɪŋɡju'lærəti]  [美]['sɪŋgjə'lærətɪ]
奇点
1.
Application of Creen formula with singularity in the boundary of integral domain;
积分区域边界上含奇点的Green公式应用
2.
To resolve this problem that the original methods can′t efficiently distinguish MECG interference from EHG signal,this paper applies the method based on the singularity check of wavelet transform and the signal reconstruction of modulus maxima to remove the MECG interference in EHG signal, by using wave characteristics of MECG interference.
为了解决以往算法中不能有效区分MECG干扰和EHG信号的问题,利用MECG干扰的波形特点,采用了基于小波变换的奇点检测以及模型极大值信号重建的方法去除EHG信号中的MECG干扰。
3)  singular points
奇点
1.
Three-dimensional source distribution theory is used to calculate the wave forces of immobile floating bodies,and the problem of singular points in different Green function is solved.
使用三维源汇分布法计算有限水深中零航速浮体所受到的波浪力,对两种不同形式的格林函数中所共同存在的奇点问题分别进行了处理。
2.
According to the property of the singular points, we construct a direct methods for Determining the positions of a class of turning simple bifurcation points.
对一类具有转向性质的简单分支点,从方程本身出发,根据奇点的性质,构造出确定奇点位置的直接方法。
3.
The method for correction of singular points of wells and the calculation method of well row replaced by a ditch in the numerical FEM and FDM computations were proposed in this paper.
对有限元和有限差分的数值计算提出了井孔奇点修正和以沟代井列的计算方法,从而提高了离散化网络的计算精度,并可简化取代三维问题为二维。
4)  singularities [英][,siŋgju'læriti]  [美][,sɪŋgjə'lærɪtɪ]
奇点
1.
In this paper,we give the classifications of the singularities of the Spherical Darboux imaged of a nonlightlike curve in Minkowski 3space.
本文主要给出了三维Minkowski空间中非类光曲线的球面达布像的奇点的充要条件,并且建立了奇点和曲线几何不变量之间的联系,其中曲线几何不变量与曲线同螺线切触的阶数密切相关。
2.
If this solution satisfies a certain energy inequality, then it can be continued to a global solution with the exception of at most finitly many singularities.
如果这个解还满足一定的能量不等式,那么可以得到在除有限个奇点的全局解。
3.
In this paper,singularity is used to study the classification of singularities of the binormal curves and focal surfaces of a spacelike in Minkowski 3-space,and also establish the relationships between singularities of these and geometric invariants of curves under the action of Lorentzian group.
 应用奇点理论方法对三维Minkowski空间内由空间型曲线生成的副法线标型和可展焦曲面的奇点进行了分类,并且研究了在Lorenzian群作用下的空间型曲线的几何学不变量同这些奇点之间的关系。
5)  Odd point
奇点
1.
Aiming at the problem of the odd point in the calculation of rotors torsional vibration characteristics by using the improved Riccati method, this paper presents a new viewpoint about how to confirm and remove the lost root and the added root of equation.
本文针对采用改进型Riccati方法计算轴系扭振特性中所出现的奇点问题,提出还需检测判断剩余量与振型,从而进一步确定和排除方程“漏根”和“增根”的方法。
2.
The odd point of plane differential systems =-y+δx+axy+my 2+ly 2n+1 , =G(x), is studied.
通过研究微分系统x· =-y+δx+axy +my2 +ly2n+1,y=· G(x)的奇点 ,借助比较定理 ,将该方程与其对称的方程进行比较 ,并通过分析散度和变量代换 ,得到了该系统极限环不存在的充分条
6)  point singularity
奇点
1.
And the detail analysis of point singularity is provided with the changes of parameter.
 利用定性理论中全局结构分析法,证明Volterra模型在第一象限无极限环E,并给出了奇点随参数变化情况的详细分析。
补充资料:奇点
      指时空度规张量 gμv中的奇点。奇点可以分成两种,一种是坐标奇点,一种是本性奇点。前一种可以通过坐标变换加以消除,后一种则不能。例如,对于标准表示的史瓦西度规:
  
    式中r、θ、嗞为球极坐标。r=2GM/c2即为坐标奇点,若用下列坐标变换就可消除:
  
  
   式中T为一个任意常数。而r=0为本性奇点,因为该点时空的曲率趋向无限。霍金证明过广义相对论中的一个奇点定理。该定理说,只要物性不是太特别的,那么,由广义相对论场方程得到的解gμv必定含有奇点。
  

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