微分的

A strong ilmit theorem for the weighted sum of discrete random sequences is gotten by the method of net differentiability.

文摘：利用网微分法，给出了离散型随机变量序列加权和的一个极限定理。

Deploying rock-solid numerics with world-class symbolics, Maple 9.5 offers full computing support for any activity involving mathematics.

Maple软件适用于解决微积分、解析几何、线性代数、微分方程、计算方法、概率统计等数学分支中的常见计算问题。

This paper presents a fuzzy PD controller for determining the optimal thickness profile of axis symmetric shell structures.

本论文提出了一个以模糊比例微分控制来探讨轴对称薄壳结构厚度剖面的最佳化。

The solution of this system of differential equations gives the displacements and internal forces.

通过对微分方程的求解，计算其整体位移及结构内力。

In the first part it is assumed that the motion of controlled object is described by a system of ordinary differential equations and that the final states of the system form a bounded and closed convex region in n-dimentional euclidian phase space.

在第一部分中研究了具有控制参数的一阶微分方程组。

It is modelled as a coupled system of nonlinear partial differential equations with quadratic growth in the gradient of one of the unknowns.

这是一个在方程组中含有梯度为二次增长的非线性偏微分方程问题。

The model is a free boundary problem for a system of partial differential equations governing the intratumoral nutrient concentration and the intratumoral pressure. The free boundary is the surface of the tumor.

该模型是一个关于肿瘤内部压力和肿瘤内部营养浓度的偏微分方程系统自由边界问题，其中自由边界是肿瘤外表面。

The body-fitted grids were generated using a system of elliptical partial differential equations. The k-ε model was employed to describe the turbulent characteristics. EBU-Arrehenius turbulent combustion model was used to determine the chemical reaction rate, while a six-flux model was applied to predict heat radiation and its influence on the wall and gas temperature.

利用椭圆型微分方程和区域法生成三维贴体网格，k-ε模型预估紊流特性，EBU-Arre-henius紊流燃烧模型估算化学反应速率，六通量模型预估辐射通量以考虑其对壁面和气流温度的影响。

We define differential dynamic system on the tangent bundle and the master bundle.

定义了建立在切丛和主丛上的微分动力系统。

Chapter 5 is devoted to studying the Taylor series solutions.

第五章讨论了偏微分代数方程的Taylor级数解。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。