The vehicle scheduling problem with fuzzy demands ( VSPFD ) is a variation of vehicle scheduling problem ( VSP ) which is a typical NP-hard problem .

带模糊需求的车辆调度问题（VSPFD）是在基本的车辆调度 问题（VSP）上增加了模糊需求约束条件的一种 变化形式，是一个典型的NP难题。

Variation of Transportation Problem

一类 变形的运输 问题

In this paper by using iteration and variation method the perturbation problem in quantum mechanics will be sloved .

本文把 变 分法和迭代法结合起来考虑量子力学中的微扰 问题，解决了微扰方法不能解决的问题。

The estimation of the tail index of the heavy tailed distribution with regular variation tail is an important problem .

具有正规 变化尾的重尾分布的尾指标的估计是一个重要 问题。

This article deals with a natural variation of the classical secretary problem called the group interview problem in which each group contains several alternatives and each group of alternatives .

本文主要讨论秘书 问题 的 变形&“组面试问题”在目标是选择最优或次优时的最佳选择策略（停止规则），采用的主要方法是后退归纳法和边界阶段方法。

While in part four key techniques applied in the project are analyzed and explained in detail such as the use of iteration development thought in solving requirements variation problem ;

第四部分则对银行电子设备管理系统中的关键技术进行了认真分析和详细阐述，如：利用迭代开发思想解决需求 变化 问题；

Discussion on the Species Variation Problem in the Identification of Traditional Chinese Crude Drugs

中药材鉴定中一些物种 变异 问题讨论

Families of variation principle for the semi-inverse problem and the A-type hybrid problem on the s2 - stream sheet in radial turbomachines and the extensions and applications of the semi-inverse problem to the mixed-type turbomachines

径流式叶轮机S2流面半反 命题、A型杂交命题 变 分原理族及对混流式的推广及其应用

Apply the simulated annealing to multicast routing and propose a multicast routing algorithm ( SABDMA ) based on simulated annealing to solve delay and delay variation constrained least-cost multicast routing problem .

将模拟退火思想引入组播路由计算中，提出一种基于模拟退火方法的时延及时延 抖动约束的最小代价组播路由 算法SADVMA。

A Variation Equation Problem on Stochastic Control

随机控制中的一个 变 分方程 问题

Since on-line learning does not need history data and can adapt to the variation of the problem domain this algorithm is suitable to model those domains that vary with time .

由于在线学习不需要历史样本，且能够不断适应 问题域的 变化，适合于对具有时变性的领域进行信度网建模。

However in the field of Mobile communication precision measuring etc. stability of oscillator is so critical that deviation of frequency due to temperature variation causes a serious problem . To improve accuracy of frequency compensation circuits should be added to X-tal oscillator .

然而在移动通信，计测等领域中，晶体振荡器的频率稳定度受温度 变化的影响 很大，因此需要加额外的补偿电路来提高频率稳定度。

The first one is used to solve current jumping variation problem and the second one is used to absorb the magnetic energy in load inductance when over current occurs and to realize ride-through function .

前者解决MC变换电路输入电流波形跳 变 问题，后者吸收过流保护动作时负载电感中贮存的磁场能量和实现动能缓冲。

Through a series of deduction and transformation the energy functional expression on the variation problem of the arbitrary shape linear current sources abnormal potential can be obtained which is the foundation of the finite element numerical calculation .

求得了任意线源异常电位 变 分 问题的能量泛函表达式，为本文奠定了有限单元法的数值计算基础。

This paper discusses a variation equation problem proves the existence of its solution and gives the analytical expression of the solution together with its important application on stochastic control especially on bounded velocity follower problem .

讨论了一个 变 分方程 问题，证明了其解的存在性并给出了它的解析表达式，还指出了它在随机控制中特别是在有界速度跟踪器上的重要应用。

Variation solution of harmonic equation problem with over-determined Dirichlet boundary value

调和方程超定Dirichlet边值 问题 的 变分解

Another variation of this problem is the use of validators .

这个 问题的另一种 变异是对校验的的使用。

This paper presents the mathematical model using the principle of generalized variation for determining depth of magnetic boundary and solves it using Penalty Function Method after changing generalized variation problem into constrained optimization problem .

本文给出应用广义变分原理确定磁性界面深度的数学模型，通过将广义 变 分 问题转化为约束最优化问题应用罚函数法求解。

In virtue of variation theory boundary problem of magnetic field is changed into equivalent variable problem . Then the procedure of element analysis discrete format and collective composition equation in sinusoidal and time-varying field are given .

从待解的磁场边值 问题出发，利用 变 分原理将边值问题转化为等价的变分问题，给出了正弦时变场单元分析过程和离散格式以及最终的总体合成方程。

The variation of Elementary Geometry problem from Higher Geometry

用高等几何方法 变换初等几何 命题

The new algorithm adapts to the complex movements of targets including rotation and width to height ratio variation and solves the problem of rotating targets . 2 .

该算法能适应目标在图像平面上包括旋转以及 变长宽比在内的复杂运动，解决了目标旋转的跟踪 问题。

Quadratic constraint quadratic optimization problem ( QCQP ) has widely applications in practice such as trust region sub-problem in nonlinear optimization least square variation problem signal processing problem and so on .

二次约束二次优化问题在实际中具有广泛的应用，如信赖域子问题、变形最小 方差 问题、信号处理问题等。

Variation Problem in N-dimensional Space

N维空间中的 变 分 问题

In the elasticity theory of nematic liquid crystals ( NLC ) physics principles are described by variation problem initially . So in this paper we use finite elements method to solve this variation problem directly .

在液晶的弹性理论中物理规律的数学描述最初是 变 分 问题，因此本文通过有限元方法直接对这一变分问题进行数值求解。

For benchmarks where there are response time criteria this variation causes a problem .

对于基准测试，响应时间是一项衡量标准，这种 变化会引起一个 问题。

The boundary value problem and the equivalent variation problem corresponding to the new model are derived .

导出与模型相应的三维各向异性涡流场边值问题及与之等价的条件 变 分 问题。

MultiDepot Open Vehicle Routing Problem with soft time windows is a variation of the Vehicle Routing Problem con-strained by multidepot and soft time windows which is a typical NP-hard problem .

有软时窗约束多车场开放式车辆路径问题是在基本的车辆路径 问题上增加了时间窗约束和多车场作业的一种 变化形式，是一个典型的NP-难问题。

Under the condition of classic solution the boundary value problem variation problem and variation equation are equivalent .

在古典解的条件下，边值问题、 变 分 问题和变分方程是等价的；

By using e of the theory of elasticity and variation method the problem of ground stress field in V-shaped river valleys is studied .

介绍了河谷地应力研究现状，利用弹性理论和 变 分原理，研究了V型河谷岩体地应力 问题，得到了河谷岩体中由于自重应力和构造应力引起的复杂应力场。