查询词典 problem

The analytic focus includes five aspects of this international strategy: the guiding principles for resolving the China Problem; policies towards other nations; attitudes toward the Nine-Power Treaty and the existing international order; evaluations of the international situation; responses to the relationship between the "China Problem" and the "World Problem".

分析的重点包括这个国际战略所包含的五个方面：对中国问题的解决方针；对第三国的政策；对九国公约与既有世界秩序的态度；对国际形势的判断；对"中国问题"与"世界问题"相互关系的应对。

Among many directions of the fixed point researches, it becomes main problem that the convergence problem about making approximating fixed point sequences and its application in control, nonlinear operator and derivative equation etc. The research of this problem will play an important role in its application in reality.

在不动点问题研究的众多方向中，关于构造渐近不动点序列的迭代收敛问题以及其在控制、非线性算子和微分方程等方面的理论结合及应用成为研究的主流问题，对这方面问题的研究会在实际运用中起到至关重要的作用。

Exive least-squares solutions, antire?exive least-squares solutions, bisymmetric least-squaressolutions, symmetric and antipersymmetric least-squares solutions, symmetric or-thogonal symmetric least-squares solutions, symmetric orthogonal antisymmetricleast-squares solutions and their optimal approximation to the linear matrix equa-tion AX = B, and solve them successfully. 2. For Problem II, we can convert it to another problem of finding the least-squares solutions with the least norm of a new consistent matrix equation. Onthe base of the solutions of Problem I we can apply the iterative method to get

本文所构造的迭代法的优点在于先利用法方程变换将求矩阵方程的最小二乘解转化为求一个相容矩阵方程的解的问题，再利用迭代法对于任意给定的初始矩阵进行迭代，均可在有限步内迭代出所求问题的一个解；可将问题II转化为求新方程的极小范数解的问题，同样用迭代法求解，从而系统且全面地解决了问题I、II在约束矩阵类如中心对称、中心反对称、自反矩阵、反自反矩阵、双对称、对称次反对称、对称正交对称、对称正交反对称矩阵中的最小二乘解及其最佳逼近问题。

This is normal phenomenon; Baidu algorithm problem; The website of sina such; Ranking a problem is not clear all the time; The platoon is in today the first, perhaps will fall tomorrow; The algorithmic problem of Baidu and sina......

这是正常现象；百度算法问题；新浪的网站都这样；排名问题一直都是不清楚的；今天排在第一，也许明天就降下去了；百度和新浪的算法问题。。。。。。

The satisfiability of conjunction normal form is a typical NP-complete problem. To study the complexity of SAT problem, a new concept of saturated clause muster has been introduced with using the characteristic of saturated clause muster. The sufficient condition of SAT problem was approved to be a polynomial and has opened out essential distinction of 2SAT and 3SAT problems.

合取范式可满足性问题是典型的NP完全问题，本文引入了一个饱和子句集的新概念，利用饱和子句集的特性，研究了SAT问题的复杂性，证明了SAT问题复杂性为多项式的一个充分条件，并揭示了二元可满足性问题与三元可满足性问题的本质差别。

Ramsey number problem is a famous optimization problem, and is also a NP complete problem.

Ramsey数问题是一个著名的组合优化问题，同时也是一个NP完全问题。

The numerical approach consists of an operator split technique,which transforms the elastic-plastic problem into a purely elastic problem and a residual problem with prescribed eigenstrains.

针对接触表面变曲率的特点，引入局部坐标系，构造出局部坐标下残余应力应变场的分布状态，建立了变曲率连续啮合过程中安定状态残余应力的计算方法。

And basic life safeguard of the off-duty workers, criterion since an economy problem, also be problem of a society, it is problem of a politics more.

而下岗职工的基本生活保障，则既是一个经济问题，也是一个社会问题，更是一个政治问题。

Transportation problem as an important part of logistics have played a very important role in corporation's benefit. The transportation problem of open-pit is a very complex transportation system. So transportation problem have been largely researched.

运输问题作为物流的重要组成部分，它直接或间接的影响着企业的经济效益，露天矿的采剥运输问题是一复杂的运输系统，已经受到了人们的广泛关注和研究。

Finally, the thesis investigates the problem of intelligent personalized information recommendation in Internet, which is a kind of problem that there are no exact goal and no problem operator model. A domain oriented and adaptive multi agent system model for information recommendation is presented.

智能化、个性化信息搜索服务的目标是能根据用户的兴趣，向用户推荐其所感兴趣的信息，而用户的兴趣又要求系统通过用户的反馈来逐步感知，因而这类问题有别于前面研究所涉及的问题，是一种属于既无问题操作模型，又无确定目标的问题。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。