二次的

The objective function of the QP problem is a quadratic function which is an approximation of the Lagrangian function of the constrained problem and the constraints of the QP problem are linear approximation of the constraints of the constrained problem.

这些二次规划子问题的目标函数是原约束最优化问题的Lagrange函数的某种二次近似，其约束条件是原约束条件的线性逼近。

In ideal conditions, a pump, the second pump and the lift of a pump system pumps the same lift.

在理想工况下，一次泵、二次泵的扬程之和与一次泵系统水泵扬程相等。

Through simulation, the size of the filter template affecting on filtering imaging is investigated, the filtering effects of second mean filtering method and vector filtering method at the same size of filter template is comparised, the curve distribution of power spectral density of second mean filtering method and vector filtering method is analyzed.

仿真实验研究了滤波模板的大小对滤波效果的影响，比较了在同样模板的选取下向量滤波方法与二次均值滤波法的滤波效果，分析了向量滤波方法与二次均值滤波法的功率谱密度分布。

Why, he had the yellow fever three times; twice at Nassau, and once at St.

嗯，他患了三次的黄热病；二次在纳索，一次在圣基兹。

The function mathematic models have been establashed to forecast the output, protein and lysine content of the three varieties--"Shannong No.7859","Jinmai No. 5418" and "Baiquan No .3039" and Three areas-- Huixiant Wuzhi and Ximyu.By the quadratic rototion regression, design experiments on the basis of "nonidentical varieties",'nonidentical areas, aud by the models' simulating on the computer, the practical programs of comprehensive agricultural measures of three varieties and th...

本文通过不同品种和不同地点的二次旋转回归试验，分别建立了陕农7859、冀麦5418和百泉3039三品种和辉县、武陟、修武三地点的产量、蛋白质和赖氨酸含量三个性状的二次旋转回归数学模型，并通过计算机模拟仿真，分别筛选出了三个品种和三个地点的小麦高产、优质综合农艺措施实施方案，从而为河南小麦的高产优质栽培提供了依据。

Chemical mechanism on formation of secondary organic aerosols involves in photooxidation process of volatile organic compounds and subsequent chemical reaction, which directly lead to increase of ozone concentration and to formation of secondary organic aerosol in troposphere.

二次有机气溶胶形成的化学机理主要涉及到挥发性有机化合物的光氧化过程及其一系列的后续反应，它们导致了对流层中臭氧浓度的增加和二次有机气溶胶的形成。

Properties to confine types of the quadrics in a quadric pencil in real projective space are summarized and briefly proved in this thesis.

本文对二次曲面束在实射影空间包含的成员的讨论总结了关于二次曲面束的成员组成的一些结论，并给出了非常简洁的证明。

And lower bounds for ideal class numbers ofseveral series of real quadratic function fields are provided.

并且讨论了二次函数域的理想类数随判别式的次数的递增变化的规律，从而说明了解决二次函数域Gauss猜想的困难之所在。

Based on the analysis of linear quadratic optimal system and PID control system,the paper develops a method for PID parameter optimizing,which is obtained from the principles of time-domain designs and optimization for linear quadratic optimal control system.

本文通过对基于时域状态空间描述的线性二次最优控制系统和基于输出反馈的频域PID控制系统的对比分析，提出一种由PID动态补偿网络实现线性二次最优控制的方法，仿真结果验证了该方法的合理性。

In chapter 3,we dig out two families of invariant quartic curves of a quadratic system.

第五章讨论向量场具有对称中心的二次系统，利用系统的不变双曲线及不变四次曲线，我们确定了一个对应极限环（1.1）分布的二维参数区域，其边界的构成为如下几种常见的极限环分枝：霍夫分析，庞加莱分枝，同宿分枝和异宿分枝。

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。