查询词典 simultaneous differential equation

Secondly, we state the partial differential equation which satisfies state transition probability of the two-unit paralleled system, and proves that state transition probability satisfy the equation, and are their minimal nonnegative solutions.

第二，对两个不同型部件、一个修理设备组成的并联系统，其寿命和修理时间的分布函数的各种情况，给出了状态转移概率所满足的偏微分方程组，证明了状态转移概率满足的方程，并且是这些方程的最小非负解。

Secondly, we state the partial differential equation which satisfies state transition probability of the two-unit paralleled system, and proves that state transition probability satisfy the equation, and are their minimal nonnegative solutions.

第二，对两个不同型部件、一个修理设备组成的并联系统，其寿命和修理时间的分布函数的各种情况，给出了状态转移概率所满足的偏微分(来源：35ABC论68文网www.abclunwen.com)方程组，证明了状态转移概率满足的方程，并且是这些方程的最小非负解。

M-point boundary value problem; momotone iterative; equation system; impulsive differential-integro equation; three-point boundary value problem; positive solution; Fixed point; Cone

基础科学，数学，数学分析m点边值问题；单调迭代；方程组；脉冲微积分方程；三点边值问题；正解；不动点；锥

Concerned in this paper are the eigenvalues and the corresponding eigenfunctions for the crosswise vibration equation of a bean with continuous load, which can be related to a differential integral equation.

本文研究了附加连续荷载梁的横向振动方程的特征值及特征函数的性质。在一定的假设之下，附加连续荷载梁的横向振动方程对应一个微分积分方程。

With the aid of the solution matrix of Lax equation satisfied by the eigenfunctions, elliptic variables are introduced suitably, which give a direct relation between the soliton equation and the resulting compatible ordinary differential equations.

文中发展了一个分离技术，由此可将连续的和离散的2+1维孤子方程分解为相容的常微分方程或相容的常微分方程和离散流的演化。

The paper has used concise methods of logical analysis and reasoning to describe the relation between the first-order quasilinear partial differential equation and its system of characteristic equation.

对一阶拟线性偏微分方程与其特征方程组的关系，文中给出了简洁的逻辑分析和推导方法。

Nonlinear partial differential dynamic equations of bending vibration of a tilting stepped drive shaft with two supports were built under non-inertia movement coordinate system by theorem of the motion of mass center and Heaviside function. According to the condition of equal displacement in an adjoining plane of the shaft, an equivalent shaft and its equation were obtained. A motion equation of the equivalent shaft was obtained by method of Galerkin. An approximate steady-state solution of the main resonance was obtained by method of multiple scales. The influence factors, motion stability, amplitude jump of main resonance of a stepped drive shaft and so on were analyzed.

用质心运动定理、Heaviside函数建立了非惯性系下倾料两端支承阶梯传动轴的非线性弯曲振动偏微分动力学方程，并根据相邻轴段的衔接面处位移相等的条件，得到阶梯轴的当量轴及其动力学方程；用Galerkin法得到当量轴的弯曲运动方程，用多尺度法求得稳态下当量轴的主共振的一次近似定常解，分析了影响阶梯传动轴主共振的因素、运动稳定性、振幅突变性等。

A special analytical solution is derived for the simultaneous differential equations of a dynamic mathematical model for the evaporating surface in supercritical pressure boilers given by Ref.

对文献［1］给出的超临界压力锅炉蒸发受热面的动态数学模型所建立的三个联立偏微分方程组，导出了假定工质压力不随时间变化条件下的解析特解，阐明了该特解的物理意义。

In the secondary modeling,"Hidden Euler" approach is applied to solve the nonlinear simultaneous differential equations, and the discrete nonlinear algebraic equations are calculated by "Newton-Raphson" numerical approach.

二次建模时，采用隐式欧拉法求解常微分方程组，离散后形成的非线性代数方程组采用牛顿-辛普生方法进行计算。

Then, we formulated the simultaneous differential equations and the car following theory which explain the urbanization motion track and these two kinds of process. The case study using the regression analysis to construct and verify the modal analyzes the regular pattern of urbanization and differences of development among twelve urban land readjustment areas in Tainan.

其次，提出具有数学意义的建地化、市街化基本原理，据此建立联立微分方程式，并且使用「跟车理论」的物理决定论类推说明市街化曲线模型，以把握市街化运动的具体法则；并以台南市12个重划区为实证地区，利用回归分析方法来进行模式校估及检定，俾利於分析市街化之规律性及各地区之发展差异。

The two-acre Dunbar Community Garden in Little Rock has served as a model for several years.

几年来，坐落于小石城，占地两英亩的邓巴社区菜园树立了一个标杆。

Jerry points to the jacket hanging in the bathroom. It's ruined, and unwearable What?

杰瑞指着洗手间里挂着的夹克，毁了，不能穿了）什么？