查询词典 problem

Through the practice in over twenty years, we came to know that discrimination or desertedness of aids people can not only solve aids problem, but also make the problem become more terrible on the contrary.

二十多年的实践告诉我们，歧视和遗弃艾滋病人不但不能解决艾滋病问题，反而会使问题变得更糟。

In order to study the fatigue of pressure vessel commonly encountered problem in engineering with large destructibility , based on the theory of fracture mechanics , the pressure vessel existing original crack was equivalent to the problem of infinite flat with center crack .

为了分析工程中常见的破坏性极大的压力容器疲劳问题，基于断裂力学理论将存在初始裂纹的压力容器等效为无穷远处作用均匀拉应力的含中心裂纹无限大板问题，解出表面半椭圆裂纹和穿透裂纹的应力强度因子；利用断裂判据得到裂纹的临界断裂尺寸；采用Paris表达式对裂纹扩展速率进行描述，推导出初始裂纹在不同裂纹尺寸和形式下的裂纹疲劳扩展寿命。

This text is based on the work that analyse the problem having emerged about large-scale economic affordable residential district of city at the moment, in instance of the patterns in Xi'an. Through investigating living circumstances and building present situation, there are lots of requirement for economic affordable housing in Xi'an. As large requirement for premise, the question about choosing location large-scale economic affordable residential district in city is researched. As time as, it should be refer to the problem which were founded in others cities, then summarize a correct choosing location model for the practical situation, it could determent the location of large-scale economic affordable residential district of Xi'an.

本文以分析现阶段城市大型经济适用居住区产生的问题为依据，立足西安地区，通过调查该地区居民的居住现状以及房地产开发状况，指出经济适用住房在西安地区具有广泛的需求市场，在这种巨大需求量存在的前提下，探讨大型经济适用居住区选址问题，结合现有其它城市大型经济适用居住区中发现的问题与不足，提出一套适合实际情况的选址模式，并且根据该模式分析了西安大型经济适用居住区选址的区位。

Adolescent deviant problem is a very important problem that effect both the adolescent grow up and harmonious society building.

青少年的越轨问题是一个影响到青少年健康成长和社会稳定和谐的重要问题。

This method dexterously inverts the three-dimension problem into two dimension and properly uses interpolating method. It also can be applied in the other sensor that has same problem.

该方法巧秒地把一个三维的问题转化成二维问题，并加以合理地应用插值数学方法，可以推广应用到存在相似问题的其他类型传感器中。

According to the principle of the diameter of a circle corresponding to the right angle and the principle of short side for little angle in right triangle, projecting the initially-chosen point to the hyper-planes of the linear equation group in which every linear equation can be regarded as a hyper-plane and the projection points can be obtained. The initially-chosen point, and one arbitrary projection point, and the solution point are all on the surface of the relative hyper-geometry ball, therein-to, there is a projection point which is nearest to the solution point and it can be regarded as the next iterative initially-chosen point, so the solution problem of the linear equation group can be changed as an iterative problem of approaching the solution on the surface of a hyper-geometry ball.

根据直径对应的圆周角足直角以及直角三角形中短边对小角的原理进一步知道，当将初始点向线性方程组中各个方程所代表的超平面上投影得到投影点时，初始点和其任何一个投影点及方程组的解点都将位于一个相应的超球面上，其中必定存在一个投影点离问题解点的距离最短，即把该点作为下一次迭代的初始点，从而可将线性方程组求解的问题变成球面上逼近解点的迭代问题。

I think this problem goes back a couple of hundred years to Dickensian times, and although things have improved in some respects the problem hasn't gone away because the underlying factors have remained constant.

我认为这一个问题可追溯至两百多年前的狄更斯时代。虽然在某些方面问题是有所改进，但它并没有消失，因为基本的因素依然存续。

Under the guidance of the Marxist dialectical materialism and the historical materialism, the author of this dissertation makes a relatively systematic study of the noumenal problem of teaching-learning, making use of the achievements in other subjects and the relevant studies of this problem in didactics, following the principle that the object should be done from the phenomenon to the essence.

本文以马克思主义辩证唯物论和历史唯物论为根本指导思想，借鉴有关学科的研究成果和教学论学科对此问题的相关研究，遵循研究对象从简单到复杂、从具体到抽象、从低级到高级、从现象到本质的认识路线，对教学本体问题进行了比较系统的研究。

The difference schema of the initial boundary value problem was converted to the step-by-step form,which was similar to the difference schema of the initial value problem.It is concluded that the difference schema satisfying the Von Neumann condition is a stable schema,and that,under the consistency condition,such stable schema is convergent.Moreover,with error estimate expression for the difference approximation to the classical solution,the linearity condition is unnecessary.

引入反投影算子将发展方程初边值问题的差分格式转化为与初值问题差分格式类似的逐步推进的形式，从而得出：满足Von Neumann条件的差分格式是稳定的格式；在相容条件下，差分格式若稳定(或满足VonNeumann条件)则格式收敛，且对古典解的差分逼近有误差估计式，不再需要线性的条件。

It turns the problem of differential game into the problem of maneuver identification and optimization control based on neural networks.

阐述了微分对策理论在实际应用中存在的问题，并从动态冲突的实际过程出发，将神经网络理论与分层式智能控制理论相结合，来模型化微分对策问题。

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。