基本释义:

二次项

网络释义

1)quadratic term,二次项

2)quadratic polynomial,二次多项式

3)quadratic phase,相位二次项

4)quadratic gradient term,二次梯度项

5)second order effect,二次项效应

6)Quadratic-gradient term,二次梯度项

用法和例句

On quadratic polynomials n~2±n+c constantly expressing prime numbers and composite numbers;

二次多项式n~2±n+c表素数、合数的问题

G~1 convexity preserving quadratic polynomial parametric interpolating curve

G~1保凸分段二次多项式插值参数曲线

Target tracking prediction in WSN based on quadratic polynomial motion modeling

基于二次多项式运动建模的WSN目标跟踪预测

An additional quadratic phase can be produced onto the wavefront of laser illumination by using a spatial phase plate together with a defocusing in the telescope.

在望远镜内放置相位调制平板,控制望远镜的离焦量和位相调制平板的相位函数,能够在激光望远镜的照明区产生可控制的附加空间相位二次项,灵活改变激光照明波前,以在目标回波接收信号中产生雷达运动方向上的所需的二次项相位历程,因此能够实现特定的方位向成像分辨率。

According to the assumption of slightly compressible fluid,neglected the quadratic gradient term in nonlin- ear partial differential equation is usually lead to error.

在非线性偏微分方程中,根据弱可压缩液体的假设,忽略二次梯度项,在试井较长时间内将产生误差。

The quadratic-gradient term was not neglected in this model,which results in more accurate conclusion.

针对缝洞型油藏提出了一种由基岩系统、裂缝系统及溶洞系统组成的三孔三渗数学模型,它考虑了井筒储集和表皮效应的影响,同时,在建立模型的时候没有忽略二次梯度项,使计算结果更加精确。

Bifurcation of Limit Cycles for a Class of Polynomial System with Quasi Quadratic Terms and Quasi Cubic Terms

一类含拟二次项和拟三次项的多项式系统的极限环

(The termv1 ??v1 is seen to be quadratic in an amplitude quantity, and we shall linearize by neglecting it.

项（v1 ?纾?1被看成是振幅的二次项，我们将忽略这一项而线性化。

Analysis on The Condition of Factorization of Inhomogeneous Dual-variable Quadratic Polynomials;

二元二次非齐次多项式因式分解的条件分析

A Elementary Method of n Variables Power Two Polynomial Factorization;

n元二次多项式因式分解的初等方法

The Irreducible Quadratic Factorizations of the Polynomial x~n-bx-a;

多项式x~n-bx-a的二次不可约因式

On Five Strategies for the Second Development of Hi-tech Parks;

高新区二次创业发展的五项策略探讨

Mating Critically Infinite and Quasi-starlike Quadratic Polynomials

临界无限的类星形二次多项式的粘合

Discussion on the Question of Paying Two Times Turnover Taxation for BT Projects

关于BT项目“二次纳税”问题探讨

A Solution to Three Types Continuance Linear Even Differential Equation of Two Times Complete Cubic;

二次方三项式线性齐次微分方程的解法

Nonexistence of Polynomial First Integrals for Quadratic Planar Vector Systems

平面二次向量场多项式首次积分的不存在性

A-optimal Design for Duality Quadratic Polynomial Regression Models in Circle Region;

圆域上的二元二次多项式回归模型的最优设计

A Progress of Ruin Probability in the Double Binomial Risk Model;

保费收取次数为负二项随机序列的复合二项风险模型

A Research on Analyzing and Evaluating the Risk of Secondary Incubating Project;

二次孵化项目风险识别分析与评价研究

Risk Model of Insurance with Negative Binomial Random Sequence;

保费收取次数为负二项随机序列的风险模型

Discussions on Applicable Law under Failure of Secondary Tender for Engineering Construction Project;

工程建设项目二次招标失败后适用法律的探讨

Application on the Talimu river-managing project of AutoCAD developing;

AutoCAD二次开发在塔里木河流域治理项目中的应用

A General Point-by-Point Algorithm for the Generation of Two-dimensional Curves Defined by Second-degree Polynomials;

平面二次多项式曲线的通用逐点生成算法

Discrete-time Indefinite Linear Quadratic Control With Cross Term;

带有交叉项的离散不定随机线性二次控制问题