难题

How to maintain the Ad Hoc network connectivity is one of the basic problem.

如何保持Ad Hoc网络的连通性是其中的研究难题之一。

It was the ad-lib of Pengpeng's, the club former presider that was the best programme. The sudden decision made Pengpeng who had a tongue in his head facing to a big difficult. At last he told the new members that joining in Microsoft club ,your wonder started.

这个环节压轴的好戏是由俱乐部前主席鹏鹏的即兴表演，结果这个突然的决定给平时能言善道的鹏鹏出了个大难题，最后鹏鹏以自己的经验纯纯诱导俱乐部的新人：加入微软俱乐部，你的精彩由此开始！

Recently, Wenzhou money to SMEs in solving their problems, the addition of a solution: Sign Wenzhou City Economic and Trade Commission Web site (http://www.wzjmw.gov.cn), take a "through train Minsheng Bank loans."

近日，温州中小企业解决缺钱难题，又多了一个办法：登录温州市经贸委网站(http：//www.wzjmw.gov.cn)，搭乘"民生银行贷款直通车"。

The company has a number of plastic products specializing in coloring, modified and functional additive technology developed by staff, with a solid technical foundation and rich experience, has overcome Rubber coloring, additives and many other aspects of problems, development and developed many new products .

公司拥有一批专门从事塑料制品着色、改性和功能助剂开发的技术人员，具有雄厚的技术基础和丰富经验，先后攻克橡塑着色，助剂等许多方面难题，开发和研制了许多新型产品。

The stability of acidified fruit milk affected by the factors such as material quality, the milk content, the system acidity, additive categories, the process and parameters of machining and so on, it is a difficulty problem in new dairy products development.

酸性果乳的稳定性受到原料质量、牛乳含量、体系酸度、添加剂种类和用量以及加工工序和参数等诸多因素的影响，一直是新型乳制品开发中的难题，而要提高产品的稳定性，关键问题还需解决牛乳酪蛋白在酸性条件下的稳定性。

It is quite important to administrate in accordance with the law in the course of managing state affairs according to the law.

在我国依法治国的进程中，依法行政是很重要的一环，目前，行政不作为违法却成为实现依法行政目标的一个难题。

It is very tough but essential to improve the teaching quality for adult higher education.

如何提高成人高等教育的教学质量是一个难题，也是一个重要的课题。

Schopenhauer, who was fully aware of the difficulties the lyrical poet creates for the speculative aesthetician, thought that he had found a solution, which, however, I cannot endorse.

叔本华并不隐瞒抒情诗人的审美静观是哲学上一个难题，但是他自以为找到了答案，但我并不完全同意这个答案。

The derivative nonlinear Schrodinger equation is, however, an open and important issue both in theoretical and applied aspects. The DNLS equation with nonvanishing boundary conditions is solved by introducting an affine parameter and we find that it supports a rich set of soliton solutions.

大部分完全可积的(1+1)维非线性偏微分方程，特别是有明确物理应用的方程的孤子解已经用反散射变换等方法得到，但还剩下一些难题，变形的非线性薛定谔方程在非零边值下的反散射变换就是其中一个。

3D reconstruction is one of the most challenging problems in computer vision. This project uses CAD model to increase the accuracy,robustness and speed of 3D reconstruction and five different works are conducted: 1 research on space curve 3D reconstruction method based on high curvature point nad turning point; 2 free-form curve 3D reconstruction based on B-spline and BURBS; 3 Active surface affine reconstruction based on single frame; 4 Matching and reconstruction of 3D sparse points; Data fitting method based on the iteration of nearest point.

三维重建是计算机视觉中公认的难题，本项目使用CAD模型来提高三维重建的精度、稳健性和速度的思路，围绕着空间曲线和曲面的三维重建和匹配开展了以下五个方面的研究：1）基于高曲率点和拐点分割的空间曲线三维重建方法研究；2）基于B样条和NURBS表示的空间自由曲线三维重建方法研究；3）基于单帧图像的有源曲面仿射重建；4）三维离散数据的匹配与重建；5）基于迭代最近点的数据拟合方法。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。