difficult problem的例句大全

As a kind of mechanical parking equipment, vertical circulation parking equipment can solve effectively the difficult-to-park problem due to shortage of parking area.

垂直循环停车装置是一种机械式停车设备，它是解决城市停车场地不足、停车难问题的有效措施。

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submarine depth and rolling control near the water surface is a kind of nonlinearity control problem. the change of submarine mass, speed and ocean wave make it difficult to design of control system.

潜艇近水面运动情况下的深度及纵倾控制问题是一种非线性控制问题，潜艇自身质量及航速的变化、以及外界不规则海浪使得控制系统难于设计。

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How to select slurry cement's concentration and cement's solidification time of deep-layer mixing pile and compressive strength's measurement of the pile now have been a problem which difficult to ascertain for the designers.

深层搅拌桩的浆液浓度（水泥掺量）、龄期（水泥土固化时间）、桩的抗压强度测试方法等的选择，如今是设计人员捉摸不定的难题。

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Compared with single product assembly line balancing problem, factors which affect multi-variety mixed production lines are more, and it makes more difficult to solve multi-variety mixed assembly line balancing problem.

与单一品种装配线平衡问题相比，影响多品种混装生产线平衡的因素更多，这使得多品种混合装配线平衡问题求解难度加大，而且建立面向不确定条件下的混合装配过程平衡模型难度更大。

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The college students' injury accident is not only an important problem on the higher education field, but also a difficult question to be solved by the educational law scholar.

高校学生伤害事故既是高等教育管理领域面临的一个重要问题，也是教育法学界要迫切解决的一个难题。

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One is that how to demount the wheel and the output shaft that were too difficult to demount in the L60 vertical axial-flow fans, the other problem is to test static balance about the wheel.

就L60立式轴流风机轮毂与输出轴难于拆卸的问题和叶轮静平衡测试问题进行探讨，并提供用自制的简易龙门架和静平衡装置的方法进行检修的经验。

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How to distinguish the target from decoys is a difficult and challenging problem in information processing of interceptive missile.

目标与诱饵识别是弹道导弹防御系统中的关键问题，也是一项具有挑战性的研究课题。

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This make the preparation of polymer nanocomposites difficult. Therefore, to improve the dispersion of nano particles in matrix is the first problem that must be solve for the preparation of polymer nanocomposites.

因此，提高Si02在基体中的分散性便成了制备聚合物/纳米复合材料首先要解决的问题。

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Because the thermal elasto-plastic problem in welding is very complicated, it is too difficult to be dissolved by theoretic method.

由于焊接过程中的热弹塑性问题很复杂，所以理论分析十分困难。

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Of course, attacking the problem means shutting down factories and throwing people out of work, which is difficult to do in a downturn.

当然，治理污染问题意味着要关闭工厂并导致部分民众失去工作岗位，在经济下行阶段，这种做法很难推行。

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one of the most important, most difficult, and most exasperating unsolved problems of operator theory is the problem of invariant subspaces.

算子理论中最重要、最困难也最令人烦恼的未解决问题之一就是不变子空间问题。

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coordinate transformation is a professional problem which is difficult to solve.

坐标系统转换一直是专业性强且不易解决的问题.

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in theory, rpo is a non-convex and multimodal complex optimization problem involving nonlinear objective function, nonlinear equality and inequality constraints and both continuous and discrete variables. it is quite difficult to be solved quickly and accurately.

在理论研究中，无功优化是一种同时具有连续变量和离散变量、具有非线性的目标函数、非线性的等式和不等式约束的复杂优化问题，其快速准确求解相当困难。

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The testing in the analog systems is more difficult because of the continuous values of the signals in the time and frequency domains, the tolerance problem, the limited test points and the response dependence on topological structure and so on.

由于信号在时域和值域上的连续性、元件的容差、有限的测点以及响应对电路拓扑结构的依赖等问题，使得模拟测试技术的研究一直处于瓶颈阶段。

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developing community health service is the important method of solving the problem that it is difficult and expensive for common people to see a doctor and safeguarding public health security.

发展社区卫生服务是缓解老百姓看病难，看病贵以及保障人民群众公共卫生安全的重要手段。

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Tourism resource value has its dual character, which makes the price of admission tickets in scenic spots, a common problem of economics, turn into a difficult topic.

旅游资源价值的二重性，使旅游景点门票价格一个普通的经济学问题变成一个两难选择课题。

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But the problem is one of the most difficult work.

但如何权衡破产成本和代理成本是实际理财工作中最棘手的问题。

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through hough transformation, relatively difficult global detection problem in the image space could be transformed into relatively easy partial peak detection problem in the parameter space.

通过Hough变换，图像空间中较为困难的全局检测问题就转化为参数空间中相对容易解决的局部峰值检测问题。

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But loose problem is still the most difficult one of thread joint.

但其松动问题一直是螺纹紧固件的最大难题。

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The problem was too difficult for most of the students to work out.

那个问题太难了，大部分学生都没有做出来。

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