Using the second order perturbation theory, the formulae of vibrational force constants are derived in part one.
运用二阶微扰理论，本文第一部分首先计算了高阶力常数的表达式。
Based on the prime radix DFT and number theory, an algorithm using the second order recursive filter and the zero factor prime radix Fourier Transform (ZFT) is presented.
从素基数DFT出发，应用数论理论讨论了一种应用二阶递归滤波结构的算法及零因子转换算法(ZFT)。
Based on reliability theory, the first order second moment method (JC method) is adopted to analyze and compute the fatigue reliability.
基于可靠度理论，本文采用一次二阶矩法(JC法)对疲劳裂纹扩展可靠性进行计算。
Finally, an example on applying the second order perturbed guidance theory for all-way guidance is given.
最后以全程制导为例，说明二阶摄动制导理论的应用。
With the ordinary theory of Heat Exchange in physics this essay visualizes the essence of second-order homogenous linear partial differential equations.
本文利用物理学中常见的热传导理论，形象地阐释了二阶齐次线性偏微分方程的本质。
The physical process of diffraction by planar gratings'is analysed, based on the generalized second-order coupled-wave theory.
本文从推广的二阶耦合波理论出发，对平条纹面光栅衍射这一物理过程进行分析。
The relationship between physically observable quantities and perturbed wave vector is explored on the basis of BBGKY hierarchy equations and the second order perturbation theory.
基于BBGKY方程，采用二阶扰动理论探索了可观物理量与扰动波矢的相互关系。
In this paper we give a way by which find general term formula of second order linear recurrence sequence by means of matrix theory.
文章借助矩阵理论解决了一般二阶线性递推数列通项公式的求法问题。
Within this frame, we derived a second-order Bragg scattering expression, and developed an analytic solution of hydrodynamic modulation function according to weak hydrodynamic interaction theory.
在本模型框架下，我们推导了二阶布拉格散射的表达式，并根据弱流体动力作用理论推导出流体动力调制函数解析表达式。
In order to get the stable structure of molecule, we have used the molecular orbit theory, which is introduced in second chapter we introduce this theory.
为了比较严格的得到一个分于的稳定结构，我们用到了分子轨道理论，第二谷章介绍了这一理论。
The theory on the implicit TVD schemes of second order time accuracy that is preferred in solving unsteady problems has been an open question for a long time.
用于非定常问题的时间二阶精度的隐式TVD格式的理论多年来一直是个空白。
By use of the strip theory, this method and the results may be used to predict the second-order wave forces on ships or some submersible platforms.
借助于切片理论，此方法和结果似也可用来预估船舶或某些半潜平台的二阶波浪作用力和二阶运动。
At present, the methods of edge detection of erythrocyte are using traditional theory such as edge one-order or second-order orient differential coefficient and using simple methods to detect edge.
目前，红细胞边缘形态的检测一般都是利用传统的边缘检测方法，如边缘临近一阶或二阶方向导数法，利用简单的方法来检测边缘。
Using the second-order potential theory proposed by the author, this paper gives an investigation to the nonlinear interaction of P and SV waves in isotropic elastic media.
应用作者提出的二阶势理论，本文研究了各向同性弹性介质中P波与SV波的非线性相互作用，得到了相互作用波的表达式。
Also, we discuss the displacement of the steady state of the medium based on the theory of second order phase transition, and study the affect to the entanglement in detail.
在二阶相变理论基础上，分析了介质稳态的移动，详细讨论了介质非零稳态的出现对纠缠的影响。
The cross sections for such processes are calculated in second order perturbation theory and expressed in term of the intensity of laser radiation and the nuclearmatrix elements.
用二阶微拢论计算这一截面，结果表示为核矩阵元和激光电场强度的函数。
Chapter 3 is centered around the existence of periodical solutions for non self-adjoint nonlinear second order difference equations by invoking matrix theory and coincide degree theory.
第三章利用矩阵理论与重合度理论，讨论了一类非自共轭非线性二阶差分方程周期解的存在性问题。
The second part constructivist ideas in order, for the constructivist ideas of teaching the theory of reflection, and this perspective Introduction;
第二部分为建构主义思想的梳理，对于建构主义的教学思想的反思以及本文的理论视角的介绍；
This paper presents a new existence theory for positive solutions to a kind of second-order discrete periodic boundary value problems by employing a fixed point theorem in cones.
运用锥不动点定理，给出了二阶离散周期边值问题正解的新的存在性定理。
The probabilistic life prediction of high temperature components was studied by using the stochastic equation of creep damage and simple second-order theory and method of high temperature components.
通过应用高温构件蠕变损伤的随机方程及一次二阶矩理论和方法，对高温构件的概率寿命预测进行了研究。
By using fixed point theory, in this paper we study the existence of triple positive solutions for a class of second-order differential equations with integral boundary conditions.
运用不动点定理，研究了一类带积分边界条件的二阶微分方程三个正解的存在性。
By using fixed point index theory in a cone, we study the existence of positive solutions of boundary value problems for systems of nonlinear second order singular differential equations.
使用锥上拓扑度理论，研究二阶非线性奇异微分方程组两点边值问题正解的存在性。
The method for the additional deformation of the bar with initial stress was modified, by using a second-order deformation theory.
第八章讨论了上述理论的应用范围，提出了用二阶理论改进的方法。
Based on the second-order coherence function theory, authors have studied nonlinear effects of third-and fifth-order on polarization beats in a cascade three-level system (TPBCTS and FPBCTS).
本文采用二阶相干函数理论研究了级联三能级系统中三阶及五阶极化拍频(TPBCTS及FPBCTS)的非线性效应。
The third part explored the mental mechanisms in 6-to 10-year-olds' understanding of irony from second-order theory of mind and executive function perspective.
二阶心理理论和执行功能对6～10岁儿童反语理解的影响及其机制；
Two experiments were conducted to explore the effects of second-order Theory of Mind and Executive Function on 6 to 10-year-old's understanding of irony.
以6 - 10岁儿童为被试，考察二阶心理理论和执行功能在儿童反语理解中的作用。
The second part analyses the general basis of the corporate environmental responsibility from practice and theory, in order to find the legitimacy basis for corporate environmental responsibility.
第二部分从现实与理论两方面分析了公司承担环境责任的一般依据，以期找到公司环境责任的正当性依据。
Based on the theory of differential geometry and geodesy, the second order differential equation and the first differential relationship are derived on the regional earth ellipsoid in this paper.
通过在积分换元、微分方程求解、多（一）元复合函数求全微分、偏导数及高阶偏导数中的应用举例，论述了一阶微分的形式不变性在微积分学中的作用不应被忽略。
Based on the theory of differential geometry and geodesy, the second order differential equation and the first differential relationship are derived on the regional earth ellipsoid in this paper.
通过在积分换元、微分方程求解、多（一）元复合函数求全微分、偏导数及高阶偏导数中的应用举例，论述了一阶微分的形式不变性在微积分学中的作用不应被忽略。
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