二次的

The linear complementary algorithm of standard quadratic programming is introduced. The parametric quadratic programming algorithm of free design variables and its programming method are also discussed in detail.

文中还对标准二次规划的线性互补Lemke 算法进行简要的介绍，着重介绍自由设计变量的参数二次规划算法以及程序编制要点。

Properties of bi quadratic B spline surface are investigated by the subdivision approach, and the control mesh of bi quadratic B spline surface is constructed by employing Doo Sabin subdivision to derive the parametric representation of interpolation surface.

文中利用子分曲面理论研究双二次 B样条曲面的性质，在此基础上利用 Doo- Sabin子分模式构造插值顶点位置和法向的双二次 B样条曲面控制网格，得到插值曲面的参数表示。

It shows the phase image filtered by vector filtering method which can decrease noise is still clean, the distribution of power spectral density has no change, the spectral information loss after pretreatment though vector filtering was smaller than second mean filtering.

结果表明，相比二次均值滤波法，向量滤波法在降噪的同时，相位图依然清晰，它的功率谱密度分布没有明显变化，预处理后频谱信息的丢失远小于二次均值滤波。

Besides, three new properties of the pencil formed by two quadrics have also been put forward in 3D real projective space in this thesis.

除此之外，本文还给出了两二次曲面形成的二次曲面束在实射影空间的两个新的性质。

A prerequisite for positive or negative quadratic form was presented and it was proved by use of definition.

本文给出了二次型正定的1个必要条件，并对二次型正定、负定的必要条件给出了用定义证明的方法。

The research showed that the non- quadratic form distance metrics perform as well as the quadratic form metrics.

研究表明，非二次形式的距离度量与二次形式的距离度量一样有良好的性能。

In the model, the non-sensitive loss function was replaced by quadratic loss function and the inequality constraints were replaced by equality constraints.

在该模型中，用二次损失函数取代支持向量机中的不敏感损失函数，将不等式约束条件变为等式约束，从而将二次规划问题转换为线性方程组的求解，并提出对核函数的盯参数进行动态选取。

For fingerprint segmentation, aiming at the deficiency of existing method, we first bring forward a new thought of fingerprint segmentation based quadric surface model and carry it out.

在指纹图像分割方面，针对现有指纹图像分割方法存在的不足之处，首次提出采用二次曲面对指纹图像进行分割的思想，并使用该思想实现了基于二次曲面模型的分割方法。

5 And 1. 2-1. 3 respectively. The results showed that the graphite like carbon film had higher work function and lower secondary electron emission coefficient than those of DLC film.

总的来说，两者均具有较大的逸出功及较小的二次电子发射系数，后者的逸出功大于前者、二次电子发射系数小于前者。

Accurate measurements of an intense high-energy proton beam are generally disturbed by high energy proton induced secondary electron emission.

高能质子入射到金属接收体表面诱发的二次电子直接影响束流强度的测量精度，如何消除二次电子影响是实现束流高精度测量的关键。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。