查询词典 problem

In this paper, the schema matching problem is treated as a combinatorial problem.

然而，模式匹配很大程度上依赖人工的操作，是一个费时费力的过程。

Commissariat is a difficult problem that puzzles our country all the time since current problem is long-term.

粮食流通问题长期以来一直是困扰我们国家的一个难题。

The basic idea of Tikhonov regularization is that linear compact operator equation of the first kind is replaced by the minimization problem of Tikhonov functional, the paper demonstrates the minimization of Tikhonov functional is an well-posed problem. In the end, the paper suggests a new type of iterative algorithm to solve inverse problems of parameter identification for one-dimension parabolic partial differential equation .

本文论证了Tikhonov泛函极小化问题是适定的，即满足西安理工大学硕士学位论文解的存在性、解的唯一性和解连续依赖于数据的稳定性：并且此极小化问题等价丁求解第一类方程的正规方程。

With a combination of wavelet transformation and regularization method we convert the ill-posed problem into a posed problem in coarse space, which takes full advantage of compact support of wavelet.

将小波变换和正则化方法相结合，利用小波函数的紧支撑性，将原不适定问题转化为粗子空间上的适定问题。

Creating companionate choice problem is dummy company one of establishing level important and decision-making problem, having major effect to the function of dummy company.

制造伙伴选择问题是虚拟企业组建阶段中的一个重要决策问题，对于虚拟企业的性能有着重大的影响。

In this paper, the multi-traveling salesman problem is: to meet the triangle inequality enabling complete graph on a bi-objective optimization problem.

详细说明：本文研究的多旅行商问题是：满足三角不等式的赋权完全图上的一个双目标优化问题。

Secondly, based on the FO estimate, we formulate the timing error and channel estimation as a problem of composite hypothesis testing according to the first signal model, and then solve the problem by the composite hypothesis testing approaches.

该估计方法包括两步：第一步是根据第二个系统模型，推导了一种有效的最大似然频偏估计器；第二步是根据所获得的频偏估计值，利用第一个系统模型，将定时误差和信道估计表示成一个复合假设检验问题，然后再利用复合假设检验方法进行定时误差和信道估计。

In this article, we will use this novel finite particle method to analyse several important and interesting dynamics problems in neat/insighting style, including the maximum and minimum period problem of the compound pendulum oscillation, plane impact problem and the spin and precession direction problems of the oblate and prolate satellites.

本文将透过先进的有限质点法，以极简的风格来分析几种重要而有趣的动力问题，包括复摆的最大及最小周期、刚体的角碰撞问题、薄碟型人造卫星公自转反向问题以及细长型人造卫星公自转同向问题。

It is proved that the problem is computable through three approaches, which helps people understanding the problem more deeply and is benefit to finding good strategies.

采用三种不同的方法证明了问题具有可计算性，从不同的角度帮助加深对问题的理解，有利于想出好的策略。

However, as the general problem of dependence analysis is not computable and it is a NP hard problem even for linear analysis, research work is focused on approximate solutions.

相关性分析是并行化编译的基础。伴随着并行化编译的发展，对相关性分析方法的研究已经持续了二十多年。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。