查询词典 difficult problem

How to deal with the restrictions of deep excavation is a very difficult problem. This paper analyzes the restrictions of pile-support structure detailedly, uses a castigatory function to deal with the restrictions, and adds the castigation to the function. Now the problem has changed to solve a minimal problem, and GA can be used to the optimal design successfully.

束条件的处理是遗传算法应用到深基坑支护结构优化的难题和重点，本文详细分析了桩撑支护结构的约束条件，采用了罚函数法对约束条件进行处理并反映到适应度函数上，使其变为无约束的极小值问题，从而使遗传算法得以顺利实施。

At present the main research and the application public key the system crypto-algorithm has two kinds: The RSA algorithm and the ECC algorithm, former based on the great divisor of integers decomposition difficult problem, latter is separated the logarithmic computation difficult problem based on the elliptic curve in.

目前主要研究和应用的公开密钥系统的密码算法有两种：RSA算法和ECC算法，前者基于大整数因子分解难题，后者基于椭圆曲线上离散对数计算难题。

Graph coloring problem is a classic difficult problem of graph theory. It is a fundamental problem in scientific computation and engineering design.

图的染色问题是图论中的一个经典难题，它也是科学计算与工程设计中一个重要和基本的问题。

The problem of sub-Riemannian geodesics is a Lagrange problem with constraint. How to describe the constraint condition "γ'∈ D, a. e." is a difficult problem.

次黎曼测地线问题是变分学中的一个有约束的Lagrange问题，但在变分的过程中有个难点―如何推出约束条件"γ'∈D，在上几乎处处成立"的解析式。

Return us for this task, actually individual information leak this problem is to become more and more serious actually, actually this problem we look from the whole world, it is a few leak of individual information data only not only, see among the report that includes us to be able to differ from whole world each district a lot of about database of popular of a few societies, the information of a few governments and legionary database has produce missing situation, about this problem actually we also had a lot of experts to had realized, the technologist of each countries on the world, the firm expert that includes us is engaged in on this problem all the time and study a lot of years, I think everybody may be on the product to us, the circumstance understanding that serves client field to the product still is not very clear, but what I want to assure is, personnel meets the technology that our company and I believe global each district discuss this issue further, can capture further such difficult problem.

回到我们这个课题来说，其实个人信息泄漏这个问题实际上是变得越来越严重了，其实这个问题我们从全球来看，不仅只是个人信息数据的一些泄漏，包括我们可以从全世界各地不同的报道当中看到很多关于一些社会大众的数据库，一些政府和军队数据库的信息都有发生丢失的情况，其实关于这个问题我们也有很多的专家已经意识到了，世界上各个国家的技术专家，包括我们的公司专家一直在这个问题上从事和研究很多年，我想大家可能在对于我们的产品上，对于产品服务客户方面的情况了解还不是很清晰，但是我想保证的是，我们公司以及我相信全球各地的技术人员会进一步的探讨这个问题，会进一步攻克这样的难题。

There is no difficulty for us to solve N-K problem for submerged bodies by the coupled element method, but for wavemaking problems of the bodies piercing free surface, we get a difficult problem of line integral on the free surface when we solve the boundary value problem in the external region by boundary element method.

对于深潜物体的N—K问题，用耦合元方法求解不存在根本性的困难，但对于水面船波兴波问题，采用边界元方法来处理外域中的边值问题而出现了所谓的自由面线积分问题。

Give birth to content and food engineering according to university of industry of project technology chief, Dalian courtyard dean Zhu Bei osmund professor introduction, this project developed microtherm vacuum to permeate first flavor to style of technology, stage warms up and cool antiseptic processing technique, in the treatment that uses at eating abalone product namely, solved original feed the difficult problem of technology of not easy pilot such as abalone product appearance, mouthfeel, aroma, color namely, built the manufacturing technology system that feeds abalone namely, to develop other ocean shellfish fed a product to lay good foundation namely; Use first from dissolve enzymatic with outside polysaccharide of abalone of extraction of method of source enzymatic compound, raised the recovery rate of polysaccharide greatly; Use enzymatic law and the method that Sevag law photograph combines, solved effectively take off the difficult problem of miscellaneous albumen in dividing abalone polysaccharide, raised polysaccharide purity, maintained polysaccharide active, the technical system of the preparation that built abalone polysaccharide, detached, rarefied, analysis, draw lessons from goodly to developed polysaccharide of other and marine animal to offer.

据项目技术负责人、大连工业大学生物与食品工程学院院长朱蓓薇教授介绍，该项目首次开发了低温真空渗透调味技术、阶段式升暖和冷却杀菌加工技术，并应用于即食鲍鱼产品的加工中，解决了原有即食鲍鱼产品外形、口感、香气、颜色等不易控制的技术难题，建立了即食鲍鱼的生产技术体系，为开发其他海洋贝类即食产品奠定了良好的基础；首次采用自溶酶与外源酶复合的方法提取鲍鱼多糖，大大提高了多糖的提取率；采用酶法与Sevag法相结合的方法，有效地解决了脱除鲍鱼多糖中杂蛋白的难题，提高了多糖纯度，并保持了多糖活性，建立起了鲍鱼多糖的制备、分离、纯化、分析的技术体系，为开发其他海洋动物多糖提供了良好的借鉴。

The plait distance method of the programmable preface controller is a course whose fulfillment is very strong with engineering application, exsits to prelect through the years difficult, practice the difficult problem in eldest brother in difficult etc., on the classroom of explain in detail and cant leave the student the fresh and clear but deep impression, the teaching result ignores to think very much, so must look for the new teaching path, increasing teaching result.

可编程序控制器的编程方法与工程应用是一门实践性很强的学科，历年来存在着讲课难、实践难等老大难问题，课堂上的讲解并不能给学生留下鲜明而深刻的印象，教学效果很不理想，所以必须寻找新的教学途径，提高教学效果。

Assembly line balancing problem is an important and difficult problem in production management. The first category is the key to the assembly line balancing problem.

装配线平衡问题是生产管理中重要且较难解决的问题，其中第一类问题是装配线平衡问题的关键问题。

The problem of sub-Riemannian geodesics is a Lagrange problem with constraint. How to describe the constraint condition "γ'∈ D, a. e." is a difficult problem.

次黎曼测地线问题是变分学中的一个有约束的Lagrange问题，但在变分的过程中有个难点―如何推出约束条件&γ'∈D，在上几乎处处成立&的解析式。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。