英语释义

• a curve or surface whose equation (in Cartesian coordinates) is of the second degree

片语

reciprocal quadric[数]

nonsingular quadric[数]

quadric expression[数]

quadric regression二次回归

ruled quadric[数]

stretching quadric拉伸二次曲面

quadric coordinates二次曲面坐标

regular quadric规则二次曲面

quadric surface[数] 二次曲面

concentric quadric同心二次曲面

英汉例句

• In order to effectively combine the two schemes, uses quadric error matrix to transform related information between the two steps in the whole process.

  为了将两者有效结合，将二次误差矩阵应用在整个简化过程中，简洁地传递了两个过程中的相关信息。

• This paper proposed to use immune algorithm based on real-number-coding to extract quadric surface.

  提出了基于实数编码免疫算法针对离散数据点进行二次曲面提取的方法。

• In this paper, the fifing method which stimulates the Geoid using quadric polynomial, BP network and RBF network are provided for the GPS height conversion.

  本文采用二次曲面拟合、BP网络和RBF网络进行了GPS高程转换，并在网络结构改进等方面作了分析。

• A new ranging method based on quadric difference frequency is presented.

  提出了一种基于二次差频测距的新方法。

• The simulation and actual measurement experiments were conducted, which suggested that the methods of quadric surface fitting and uncertainty assessment presented be correct.

  仿真实验和实物测量实验表明，给出的二次曲面拟合方法和不确定度估计方法是正确的。

• A set of inequality constraint conditions of the strength parameters is derived from the convexity of the strength criterion, which is expressed in a quadric form in terms of stress components.

  本文从一般强度理论出发导出各向异性材料应力形式张量多项式强度理论，根据强度準则的外凸性得到应力二次形式强度準则的强度参数限制条件。

• This paper presents a new algorithm for realtime generation of rotating paraboloid images, which can be extended into quadric surfaces.

  本文提出一种全新的，可推广至一般二次曲面的旋转抛物面实时成象的等灰曲度线算法。

• This paper discussed different kinds of the penetration of quadric rotational surfaces, by means of systematical analysis and proof.

  本文以数学解析方法，对二次旋转曲面相贯线的投影曲线类别进行了系统的分析与证明。

• Optimal regulation rules and minimum economic loss for economic systems with an integral inequality constraint on the control of quadric performance are given.

  对于具有控制积分不等式约束的二次型性能指标的经济系统给出了最优调节规律和最小的经济损耗。

• By using the role and the drafting methods, projective contour line of a quadric at random position can be drawn.

  利用这一规律和作图方法，可以解决任意位置的非退变二阶曲面的投影轮廓线的作图问题。

• The algorithm solves the quadric programming problem without adding slack, remaining and artificial variables while its efficiency is very high and it operates very easily.

  所运用的线性不等式组的一种旋转算法避免了通常处理二次规划问题所需的松弛变量、剩余变量和人工变量，操作简便、计算效率高。

• In this paper, we make use of the properties of the umbilic to research circle section question of quadric in 3-dimensional Euclidean space. We give the equations of these circle sections.

  文章利用脐点的性质研究了二次曲面的圆截口问题，并给出了与二次曲面交线为圆的圆截口的方程的一种求法。

• The conventional quadric rate-distortion model was improved and a new one was introduced by incorporating the human visual system (HVS) characteristics.

  算法对传统二次率失真模型进行了改进，并结合人眼的立体视觉特性，提出了新的码率控制策略。

• Abstr: Utilizing EGM2008 earth gravity model, using remove-polish-restore method and quadric approximation approach for GPS height transformation.

  文章摘要： 综合利用EGM2008地球重力场模型，采用＂移去-拟合-恢复＂方法和二次曲面函数数值逼近算法进行GPS高程转换。

• It is reliable to apply it on computer. The computational complexity may be a way to judge quadric multinomial level.

  此判别法在计算机上切实可行，很可能计算量是一个二次多项式级的判别方法。

• A triangle collapse algorithm is presented, which is based on internal angles weighted and quadric error metrics to simplify mesh models.

  给出了一种基于三角形内角加权和二次误差度量的三角形折叠算法来简化三角网格模型。

• Based on study of relationship between the average quadric error and the surface curvature, a variable resolution surface reconstruction algorithm was proposed.

  在研究平均二次误差与曲面曲率关系的基础上，提出了变分辨率的曲面重建算法。

• Quantitative study on the quantity of nitrogen fertilizer, phosphate fertilizer and potassium fertilizer was conducted through three-element quadric orthogonal whirling combination design.

  采用三因素二次正交旋转组合设计对氮、磷、钾肥的用量进行了定量研究。

• Systematically studying the influence on bulb growth caused by different seed size with quantities analysis method and also making quadric polynomial return analysis towards main characters.

  采用数量分析的方法，系统研究了不同种球大小对鳞茎生长的影响，并对主要性状进行了二次多项式回归分析；

• It is very helpful to instinctively understand the morphology of the QSIC such a quadric pencil has.

  它们对直观上理解两二次曲面交线的拓扑形态有非常重要的意义。

• The new scheme is secure under condition of intractability assumption of quadric remain and the security of RSA.

  新方案效率高，在二次剩余困难假设和RSA安全的条件下是安全的。

• The common method to quadric surface equation is to get the Normal Component first, and then write out the equation through dot method.

  求切平面方程的一般方法是先求切平面的法向量(借助偏导)，再用点法式写出切平面的方程。

• Using quadric regression design to establish regression equation of capsicum dehydration rate and drying quality, and then verified the equation's significance.

  通过二次回归设计，建立了辣椒失水率和干燥品质回归方程，并检验其显着性。

• The connection quadric exploit is a quite active application domain of present structure computation model updating technology research.

  接口二次开发是目前结构有限元模型修正技术比较活跃的一个应用领域。