方法采用分布参数法建立微分方程，并进行离散求解。
Using the distribution parameter method, established a differential equation, and made its discrete solutions.
通过引进辅助变量的方法建立微分方程组的扩充系统。
This paper establishes an extended system of a system of differential equations by introducing some supplementary variables.
对分布式供应链中的错劣信息的传播机制进行了研究，通过建立微分方程刻划错劣信息的传播模型。
This paper studies the diffusion mechanism of error or inferior information in distributed supply chain, differential equations are set up to depict its diffuse mechanism.
因而用自感电动势、互感电动势建立微分方程的方法既可以讨论含铁芯变压器，亦可用于对空芯变压器的探讨，因此是一个最基本的分析方法。
The consistent results indicate that the former method can be used to study not only iron-core transformer, but also non-core transformer, and therefore, is a basic analytical method.
建立了非对称弹丸在挠性渐速膛线身管内的弹丸一般运动动力学模型和运动微分方程组。
A general dynamic model and differential equations for an unsymmetrical projectile traveling in a flexible, increasing twist rifled bore gun tube are developed.
当使用微分方程时，要对其进行线性化并受限于一定的约束条件才能建立有用的输入-输出关系。
When differential equations are encountered, they are linearized and subjected to whatever constraints are necessary to establish useful input-output relationships.
并对在该模型下建立的动力矩阵用动力凝聚法进行简化，推导了相应的振动微分方程。
Through dynamic force condensing, the dynamic matrix of mega-frame is simplified, and corresponding oscillatory differential equation is obtained.
利用这一公式建立了常微分方程初值问题的正交多项式拟合算法。
By using this formula, orthogonal polynomial fitting algorithm for initial value problems of ordinary differential equations is established.
考虑非线性阻尼、非线性复原力矩和随机波浪，建立了随机横浪中船舶运动的随机非线性微分方程。
The random nonlinear differential equation of ship's motion is established considering the nonlinear damping, nonlinear recover moment and random waves.
为了降低高速电梯的水平振动，建立了4自由度的电梯轿厢水平振动主动控制的动力学模型，给出了微分方程，建立了状态空间模型；
To reduce the horizontal vibrations of high-speed elevator, a 4DOF dynamic model of elevator was developed, and the differential equations and the state space model were also given.
采用折算系数法，建立了组合梁振动的运动微分方程，并对其振动特性进行了分析。
The differential equation of the vibration of combined beam is set up and its vibration characters are discussed in this paper.
分析了传染病的传播扩散特点，建立了传染病传播扩散的微分方程模型。
The characteristics of epidemic disease were analyzed and a differential equation model for epidemic disease spreading was set.
文中首先建立了系统的运动微分方程。
Firstly, we derived the differential equation of motion of system.
本文建立了具有阻尼项的高阶微分方程新的振动定理。
This paper obtains a new oscillation theorem of high-order differential equation with damping.
本文应用哈密顿变分原理较简捷地建立了厚梁横向振动的微分方程。
The differential equation for transverse vibration in thick beam is easily established by applying the Hamilton's variance principle.
本文通过建立轨道振动微分方程，得到单轮作用下轨道变形的解析表达式。
The analytical formula of track deformation under a single wheel load has been deduced by establishing the track vibration differential equation.
方法在市场无套利条件下建立随机微分方程，运用鞅论、随机分析的方法分析并求解方程。
Methods Build up differential equation under the circumstance of the market no arbitrage. Analyze and work out the solution of equation.
运用倒向随机微分方程数学方法，建立了动态资产份额定价理论模型。
The Dynamic Asset Share Pricing Theoretical Models are set up according to modern finance theory using Backward Stochastic Differential Equation Theory.
从理论分析到微分方程的建立做了详细的推导，并写出了刚度矩阵、阻尼矩阵和质量矩阵。
It is detailed derived from theory analysis to differential equation, and its damping matrix, rigidity matrix and quality matrix are given.
建立发动机气门振动的运动微分方程，该模型杆端作支承运动，考虑阻尼和较复杂的边界条件。
Considering damping and complicated boundary conditions for the valve support movement, the dynamic equation of the valve vibration of engine is found.
为建立机车各部件的垂向动力学微分方程，计算各悬挂力的输出响应，建立了系统质量、阻尼和刚度的增广矩阵。
Augmented mass, damping, stiffness matrix of system was set up to derive vertical dynamic differential equations for locomotive components and obtain output responses of suspensions.
本文从水量平衡及水泵机组力矩方程出发，建立起水泵从起动到同步的微分方程序。
The differential equation of pump station start-up transient is established and derived from discharge balance and moment equation of pump unit.
阐述液压桩机的控制系统；建立液压伺服机构的微分方程和导出传递函数。
This paper first illustrates the control system of hydraulic pile divers, establishes the differential equation of the hydraulic servo and determines the transfer function.
建立能量平衡方程、钢坯导热微分方程、氧化层生成线性和抛物线增长的组合方程。
Energy balance equation, differential equation of heat conduction and combination of linear equation and parabolic equation of oxygen-layer forming are established.
基于常微分方程数学模型建立了多体系统动力学设计灵敏度分析的伴随变量方法。
The adjoint variable method for design sensitivity analysis of multibody system dynamics based on ordinary differential equations is presented.
该理论以电荷守恒原理代替电流连续性原理，建立了电荷累积模型的微分方程。
By substituting the principle of current continuity with charge conservation, the differential equation of charge accumulation model is built.
为模拟自然界中既包含竞争关系又包含捕食-被捕食关系的生态系统，建立用常微分方程组表示的环状模型。
An annular model for chemostat was depicted by a group of ODE(ordinary differential equation) to imitate the ecosystem which included competition and predator-prey relations in nature.
考虑液动压力对油管柱纵向振动的影响，建立了油管柱纵向振动微分方程，并给出了这种情况下油管柱纵向振动的频率方程。
In consideration of the effect of liquid dynamic pressure on the tubing string vertical vibration, the differential equation and frequency equation for describing the vibration are set up.
通过剪切滞后模型建立了复合材料应力场的控制微分方程。
The governing ordinary differential equations of composite stress are given by using shear-lag theory.
通过剪切滞后模型建立了复合材料应力场的控制微分方程。
The governing ordinary differential equations of composite stress are given by using shear-lag theory.
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