In this chapter we confine our attention to the second-order waves.
在本章中，我们的注意力只集中于二级波。
An ideal result can be obtained by using second-order greedy algorithm.
用二次贪心算法求解，可获得比较理想的结果。
The importance of such second-order genetic effects is only now being appreciated.
这种二级基因效果到现在才受到人们的认可。
It's a second-order equation in x, and is a parabola and a parabola has this shape.
这是一个x的二次方程，也是一个抛物线方程式,抛物线都长这样。
The second-order effect is that the enemy disperses to mitigate the effects of fires.
位于其后的结果就是敌人将疏散开来以减少上述火力的威胁。
According to the improved second-order shock-expansion method, a new criterion is presented.
根据改进的二阶激波-膨胀法提出了新的判据。
The influences of walk-off Angle on effective second-order nonlinear coefficient and SHG efficiency were also analyzed.
计算并分析了离散角对有效二阶非线性系数和倍频效率的影响。
The main contents of first chapter are several difference schemes of first-order and second-order differential equations.
第一章有限差分方法主要内容是一阶和二阶的两点式、三点式和五点式差分方案。
Compared with first-order perturbation, second-order perturbation stochastic finite element has the advantage of higher accuracy.
与一阶摄动随机有限元相比，二阶摄动随机有限元具有较高的计算精度。
The problem of second-order stochastic response analysis of steel braced frame structures in highrise buildings is researched in this paper.
本文研究高层建筑钢框架一支撑结构的二阶随机反应分析问题。
A new method is presented for analyzing the acquisition behavior of second-order PLL with sinusoidal phase detector in the absence of noise.
本文给出了一种计算无噪声时具有正弦鉴相器的二阶锁相环捕捉特性的新方法，求得了每个差频周期的平均角频率牵引量。
In this paper the zero-input stability of second-order digital filters with a rounding quantizer has been analyzed by the properties of limit cycles.
本文根据极限环特性对单舍入量化器二阶数字滤波器的零输入稳定性进行了分析。
The force and moment exerted on the solid body are expressed as the rate of change of the first-and second-order kinetic vorticity moments, respectively.
作用在任意运动物体（系）上的力和力矩可以分别表示成流场中动力学涡量的一阶矩和二阶矩随时间的变化率。
First-order change involves doing better what we already do, while second-order change alters the core ways we conduct business or even the basic business itself.
一阶变化侧重于把现在正在做的是做的更好，而二阶变化改变了我们从事的事业甚至基础生意本身的核心内容。
The analysis of transesterification kinetics shows that the transesterification obeys a second-order reaction kinetics model when the transform ratio is under 95%.
动力学分析表明：酯交换反应在转化率为95%之前，符合二级反应动力学模型。
The damping ratio is an important characteristic parameter in a second-order system, which has great effect on the dynamic characteristic of the second order system.
阻尼比是二阶系统的一个重要的特征参数，它对二阶系统动态特性有较大的影响。
Image texture analysis of good source code can calculate the second-order texture characteristics: energy, entropy, local stability, inertial distance, and relevance.
详细说明：图像纹理分析的好的源代码，可以计算纹理的二阶特征：能量，熵，局部稳定性，惯性距，和相关性。
The mean photon number, the second-order coherence and the distribution of this optical cat state are derived in this paper and some properties of this state are presented.
本文推导两个成份的光学猫态的平均光于数，二阶相干度的表达式及猫态的光子数分布，揭示出猫态的某些性质。
A set of formulas for the computation of quadratic performance function associating with first and second-order sensitivities of feedback coefficient matrix is given in this paper.
本文给出了连续系统中计算二次型性能函数对反馈系数阵的一阶和二阶灵敏度的全套公式。
Golembiewski, Billingsley, and Yeager8 subsequently added another level of change, defining middle-order change as lying somewhere between the extremes of first - and second-order change.
戈伦比威斯基，比林斯利和耶格尔随后加入了另一个级别的变革，中阶变化。中阶变化是存在于一阶和二阶变化这两个极端之间的变化。
Pay for things in this order: needs first, goals second, and extras third.
按以下顺序付钱：需求第一，目标第二，额外的东西第三。
In order to make a nuclear explosion, the critical mass must come together within a fraction of a millionth of a second.
为促成一次核爆炸，临界质量必须在一百万分之一秒内聚集在一起。
Second, we should often open the windows in order to keep the air in the room fresh.
第二，我们应该经常打开窗户，以保持房间空气新鲜。
The second order effects of technology usually only arrive when everyone has one, or it is present everywhere.
技术的二阶效应通常只有人们都使用时才会体现，但是却无处不在。
So as soon as you get away from first order kinetics and go to second order kinetics with multiple steps, it's a mess.
你一旦离开一级动力学，到有多个步骤的二级动力学，它是混乱的。
Proceeds from sales of the first order will easily cover the cost of the second order.
第一批订单的收入将会很容易就抵过第二批订单的成本。
When it is curved, the law of its curvature seems to be at the least of the first and at the most of the second order.
当它是曲线的时候，其弯曲的法则看起来至少是一阶至多是二阶。
Making use of equivalent principle of second order effect, the load on middle stories is converted into that at top and the approximate formula for the critical load of the system is suggested.
利用二阶效应等效的原则，提出将中间层荷载等效为柱顶荷载的近似折减方法，提出结构稳定承载力的近似公式。
Making use of equivalent principle of second order effect, the load on middle stories is converted into that at top and the approximate formula for the critical load of the system is suggested.
利用二阶效应等效的原则，提出将中间层荷载等效为柱顶荷载的近似折减方法，提出结构稳定承载力的近似公式。
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