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单词 Intractable problem
释义

Intractable problem

原声例句
TED演讲(视频版)双语精选

How can we hope to fix such massive intractable problems?

我们应该如何解决 如此庞大而棘手的问题?

《时代周刊》百大人物

Why do you think gun violence is such an intractable problem?

你为什么认为枪支暴力是一个如此棘手的问题?

纽约时报 (New York Times)

Virtual reality is emerging as an unlikely tool for solving this intractable problem.

虚拟现实正在成为解决这一棘手问题的一个不太可能的工具。

TED演讲(视频版) 2018年7月合集

Now, you know, there are so many intractable problems in this world.

现在,你知道,这个世界上有那么多棘手的问题。

TED演讲(视频版) 2020年4月合集

OK, so talk about why this is such an intractable problem.

CA:好的,那么谈谈为什么这是一个如此棘手的问题。

英语演讲大全

What seemed intractable problems of the world became opportunities for me, for us, to change things.

世界上看似棘手的问题对我来说, 对我们来说, 变成了改变事物的机会。

科学60秒 2018年4月合集

You need to have other kinds of technology that will focus, and try to make a magical solution to what's otherwise an intractable social problem.

你需要其他种类的技术,集中注意力并努力想出神奇的解决方案,来解决难以应付的社会问题。”

TED演讲(视频版) 2019年9月合集

At that point, I'd been working for more than a decade on this seemingly intractable problem of dating violence.

那时,我已经为约会暴力这个看似棘手的问题工作了十多年。

TED演讲(视频版) 2023年6月合集

And these are interesting timesbecause seemingly intractable problems are starting to yieldto the power of technology, AI, and global interconnectedness.

这些都是有趣的时代,因为看似棘手的问题开始屈服于技术、人工智能和全球互联的力量。

名人演讲综合

What you told me is that we need to work across departments, schools, units, and our global network as we address intractable problems.

你告诉我的是,我们需要跨部门、学校、单位和我们的全球网络来解决棘手的问题。

2022诺贝尔得主访谈录

Honest error in the face of complex and possibly intractable problems as far more important source of bad results than our bad motives.

面对复杂且可能棘手的问题时,诚实的错误比我们的不良动机更重要的不良结果来源。

TED演讲(视频版) 2022年7月合集

Alright, so this seems like a potentially terrifying, intractable problem, because we're talking about something that we can't see, something that we can't touch.

好吧,这似乎是一个潜在的可怕、棘手的问题,因为我们正在谈论一些我们看不见、摸不着的东西。

中文百科

计算复杂性理论 Computational complexity theory

(重定向自Intractable problem)
在P ≠ NP前提下复杂性类的关系图解。在该前提下,不在P也不是NP完备的问题的存在性由Ladner解决。[2]
A traveling salesman tour through Germany’s 15 largest cities.
A decision problem has only two possible outputs, yes or no (or alternately 1 or 0) on any input.

计算复杂性理论(Computational complexity theory)是理论计算机科学和数学的一个分支,它致力于将可计算问题根据它们本身的复杂性分类,以及将这些类别联系起来。一个可计算问题被认为是一个原则上可以用计算机解决的问题,亦即这个问题可以用一系列机械的数学步骤解决,例如算法。

如果一个问题的求解需要相当多的资源(无论用什幺算法),则被认为是难解的。计算复杂性理论通过引入数学计算模型来研究这些问题以及定量计算解决问题所需的资源(时间和空间),从而将资源的确定方法正式化了。其他复杂性测度同样被运用,比如通信量(应用于通信复杂性),电路中门的数量(应用于电路复杂性)以及中央处理器的数量(应用于并行计算)。计算复杂性理论的一个作用就是确定一个能或不能被计算机求解的问题的所具有的实际限制。

英语百科

Computational complexity theory 计算复杂性理论

(重定向自Intractable problem)
A traveling salesman tour through Germany’s 15 largest cities.
A decision problem has only two possible outputs, yes or no (or alternately 1 or 0) on any input.
A representation of the relation among complexity classes

Computational complexity theory is a branch of the theory of computation in theoretical computer science that focuses on classifying computational problems according to their inherent difficulty, and relating those classes to each other. A computational problem is understood to be a task that is in principle amenable to being solved by a computer, which is equivalent to stating that the problem may be solved by mechanical application of mathematical steps, such as an algorithm.

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更新时间:2025/6/26 14:30:27