这是一个非常困难的问题。
于是国王答应试，只要他能答出一个非常困难的问题，就可以给他自由。
So the monarch offered him freedom, as long as he could answer a very difficult question. Arthur would have a year to figure out the answer;
高速公路交通流模型是一个高阶非线性时变系统，这使得该模型的辨识问题成为一个非常困难的问题。
The macro model of traffic flow in freeway is a high order, nonlinear and time variant system which makes the problem of its identification become very difficult.
他补充说：“在任何实用的能量转换的人工光合系统中这都是一个非常困难的问题，现在它已经被解决了。”
He adds: "There is a daunting combination of problems to be solved before this or any other artificial photosynthetic system could actually be useful for energy conversion."
确实，当你面对一个非常困难的问题时，例如一道数学难题，感到抑郁通常会帮助你更加有效的分析和解决它。
Indeed, when you are faced with a difficult problem, such as a math problem, feeling depressed is often a useful response that may help you analyze and solve it.
不借助控制点匹配表面来探测表面差异是一个非常困难的问题，在多时相dem分析中具有非常广阔的应用前景。
The surface matching for change detection without control points is inherently very difficult problem, and has potential application for multi-temporal DEM analyses.
然而，即使对于本原群，其次轨道的决定也是一个非常困难的问题，它依赖与人们对抽象群本身结构的了解和一些组合方法的应用。
However, such a problem is very difficult in general, even for primitive groups and it depends heavily on the understanding of abstract groups and the application of combinatorial tools as well.
竞赛矩阵和竞赛图由于具有固定行和向量及列和向量的非负矩阵类的计数，是组合数学的一个非常困难的问题，因此对具有固定得分向量的竞赛矩阵的计数问题也比较困难。
But it is very difficult to compute the number of non-negative matrix with fixed score row or column vectors, so to compute the number of tournament matrix with fixed score vector is also difficult.
“这是一个非常困难的测试，没有做任何的精神方面健康问题的人也会觉得很难，”格鲁姆说。
"This is a really difficult test to do and people without any mental health problems find it difficult," said Groom.
问题：辛迪是一个非常有才能的人，但是她和上司相处起来却有困难，她觉得她的上司古板，没效力，不懂得把握时机。
Problem: Cindy is a woman of exceptional ability but she has relationship difficulties with her boss. She believes that his style is old-fashioned, inefficient and inappropriate.
看起来伊朗签证似乎非常困难，但是一旦得到了签证，签证的延期通常只是一个手续问题了。
Paradoxically, while getting a visa for Iran can be very difficult, once you have one it is normally just a formality to have the time limit extended.
不过袜带是非常害羞的。要回答这样一个问题，她觉得非常困难。坛。
Butt the garter was so bashful, so modest, and thought it was a strange question to answer.
人脸的检测和识别是一个非常复杂的问题，对它的许多规律和规则进行显性的描述是相当困难的。
Due to its complexity, it is difficult to describe the rules of human face detection and recognition.
同构识别是机构类型综合中一个重要而又困难的问题，同时，也是图论中非常难解决的问题之一。
Isomorphism identification is an important and difficult problem in mechanism type synthesis, it is also one of the most difficult problems in graph theory.
一个特殊彗星轨道是一个非常困难的数学问题。
The orbit of one particular comets was a very difficult mathematical problem.
弹塑性边界元法中初应力(或初应变)奇异体积分的计算一直是一个较为困难、但又是非常重要的问题。
The calculation of the initial stress (or initial strain) singular integrals in elastoplastic boundary element method is a difficult, but an important problem.
你要能够证明在一个问题变得非常难看之前你有面对困难、有讨论的勇气以及有解决问题的能力。
You want to be able to demonstrate you have skills to have the 'courageous discussion' and confront and disarm a situation without it becoming very ugly.
由于系统的内部动态不稳定，非最小相位系统的输出跟踪问题是一个具有挑战性的非常困难的问题。
The output tracking problems of non minimum phase systems are very difficult, because the internal dynamics of the systems are unstable.
现在，虽然这是可能的(水电电力公司这样做的所有时间)在一个小规模的系统，一个家庭的控制问题可是非常困难的。
Now, while this is possible (hydroelectric power companies do it all the time), in a small scale system for a single home the control problems can be very difficult.
对于这场困难的戏剧，你应该可以非常好地得到一个没问题的结果。
And you are more than good enough to deserve a positive outcome to a difficult drama.
“任性”是一个典型而广泛的问题，也是令当今众多家长非常头疼的困难。
"Capricious" is a typical and common problem, but also make many parents today very headache problem.
“任性”是一个典型而广泛的问题，也是令当今众多家长非常头疼的困难。
"Capricious" is a typical and common problem, but also make many parents today very headache problem.
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