查询词典 difficult problem

It is difficult to get partial derivative in least square fitting method,and the problem was avoided by usi...

利用遗传算法实现了产出曲线的自动拟合，避免了最小二乘法中求偏导数困难的问题，提高了求解的速度和精度。

For the particularity of the face image, face recognition is also the very difficult problem.

由于人脸图象的特殊性，人脸识别问题也是模式识别。。。

It is difficult to evaluate the document collection partition in distributed information retrieval. Recently, there is no clear evaluation criterion for the document collection partition problem.

分布式信息检索的文档集合划分方案的评价是一个困难的问题，目前还没有良好的评价标准。

Recent days, On net one paterfamilias asked: My daughter will be to famous college,but it is a very difficult problem for her tuition and cost of living.

一些网友认为：不会影响。职业是平等的，任何正当的职业都是高尚的。

The content origin of website of how patulous video, not be in China only is a difficult problem, to YouTube such industry leader also is not an easy thing.

怎样扩展视频网站的内容来源，不单单在中国是个难题，对于YouTube这样的行业领导者也不是件容易的事儿。

In this paper, an analysis of Linyi City Lanshan district the status of small and medium enterprises financing difficulties and the emergence of the problem, focused on financing small and medium-sized Lanshan district Linyi several difficult issues an effective way, including the self-construction companies, banks and the Government of the corresponding support and improve the information technology business, as well as the development of Lanshan district pawn broking and security industries.

本文主要分析了某区中小企业的现状及其出现融资难问题的原因，着重阐述了某区中小企业融资难问题的几条有效途径，包括完善企业自身建设，银行和政府的相应支持，提高企业的信息化，以及发展兰山区的典当业和担保业等。

The tourist peccancy had a great negative impact on the forest park environment and other tourist's experience. How to manage the tourist peccancy already became a difficult problem for the forest park.

游客违章行为已经给森林公园环境及其他游客的旅游体验带来了极大的负面影响，如何对游客违章行为进行科学管理，已经成为森林公园管理者一个棘手的难题。

In order to make this difficult problem solved as fast as possible,the author comprehensively introduces the present study situation and the applied foreground of the rapeseed's peeler at home and abroad combined with the writer's experimental study.

油菜子脱皮是油脂行业的技术难题之一，为促进这一难题的尽快解决，结合实验研究的情况，综合介绍了国内外油菜子脱皮机的研究现状及其推广应用前景。

And in the process control, will face a difficult problem, is effective in resolving the issue of VCM distillation, the quality of refined products for the VCM is especially important in light of our factory production processes perchlorethylene characteristics and the actual situation of VCM a distillation of Frequently Asked Questions.

而在该过程控制中，会遇到一个个棘手的问题，能否有效解决好VCM精馏问题，对于VCM精制产品质量则显得尤为重要，结合我厂氯乙烯生产的工艺特点和实际情况，对VCM精馏常见问题作一浅析。

One of the difficult problems in digital photogrammetry, computer and machine vision is the problem of image matching.

影象匹配是数字摄影测量和计算机视觉研究中的一个难题，本文从理论和实践两个方面研究了一个影象匹配的松弛途径。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。