查询词典 problem

There are a number of classes of mathematical objects for which the problem of isomorphism is a GI-complete problem.

有一些类型的数学对象的问题，这是一个同构起完整的问题。

A generalization of the problem, the subgraph isomorphism problem, is known to be NP-complete.

一般化的问题，子图同构问题，是已知的NP完全问题。

A novel method,the circuit simulation algorithm,is proposed here,whichtransfers the graph isomorphism problem into the identical circuits problem.

提出了一种新的同构判定算法：电路模拟法，即将图的同构问题转化为电路的相同问题。

The algorithm transforms the subgraph isomorphism problem into a matching problem between vertexes through the introduction of similarity features for every vertex.

通过单个顶点的相似度特征，将子图同构问题转化为顶点之间的匹配问题。

Then, by taking the local features provided by users as portions of the AAG, and the whole CAD model as the whole AAG, the problem of local feature matching is transformed into that of subgraph isomorphism. Subgraph isomorphism is a NP-complete problem.

在局部匹配过程中，用户输入的局部结构被表示成"子图"，待匹配的整体CAD模型被表示成"大图"；则在整体CAD模型中，检索局部结构的问题就被转换成在"大图"中寻找同构"子图"的问题。

It was quite some time before the problem of food supplies, that is, the problem of ensuring provisions, was solved.

吃的问题，也就是保证给养的问题，很久不能解决。

The optimization problem was formulated as a multiple-stage optimal control problem and solved by a forward and backward iteration loop.

整个最优化问题被描述成一个多阶段系统优化控制问题，通过一个向前和向后的迭代循环解决。

I have a problem with my Jeep, and I need to know if this is a common problem.

4.2 我的JEEP有个问题，我想知道这是不是个共同的问题。

The usual problem is how to dispose of it. But the designers of the Johnstown campus of the University of Pittsburgh set themselves the opposite problem—how to collect body heat.

通常的问题是如何把它们散发出去，可匹斯堡大学约翰斯顿校区的设计者们，则提出了一个相反的命题—如何收集体热。

This problem is a variant of the Josephus problem which can be solved with segment tree.

这个问题是约瑟夫问题的一个变种，可以用线段树解决。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。