难点

It tells the structure of the automobile lend-lease management system and its working theory; it analyzes the specialty, difficulty and important things in system realization. The design realizes the management of the system users, the basic information, the business, and the members management.

阐述了整个机动车租赁治理系统的结构及工作原理；分析了系统实现中的特别性、难点和重点；设计实现了系统用户治理、基本信息治理、业务治理、会员治理等程序模块；分析并解决了现实中的若干技术问题。

Basic theory of geometric active contour model is studied. With the virtue that can change the topology freely, geometric active contour model can be used for medical image processing based on curve evolvement and level set method.

根据Mumford-Shah模型利用图像的全局信息、不受图像梯度影响的特点并针对脑肿瘤分割的难点，将Mumford-Shah模型应用于脑肿瘤轮廓的提取，先采用非线性滤波消除噪声的影响，通过优化该模型的能量函数，可以获得受噪声影响的图像的边界。

Multimedia teaching, a new-style assistant teaching means, has many advantages went without saying, such as visual and lifelikeness, large information and convenient for tutorship and so on.

多媒体教学作为一种新型的辅助教学手段具有不言而喻的优势如直观生动、信息量大、辅导方便等等，但也有其不可忽略的弊端：效率折扣、难把握重点难点等。

In addition,the problems and difficulties involved are analyzed,and the means for expanding application of lignin in biochemical engineering are discussed.

同时分析了木质素在生物化工应用方面存在的问题和难点，探讨了扩大木质素在该领域应用的途径。

The line of intersection is the difficult points in teaching.

相贯线是教学中的难点。

Hearing is the Ist step of lingual communication and it is also a tough hundle for vocational college students in English learning.

听力是语言交际能力的第一步，也是职高学生英语学习的一个难点。

The general three dimensional concepts of civic scientific literacy and related test items from Jon Miller and OECD's PISA are reviewed.

摘 要：国际上通用的三维"公民科学素养"概念及部分测试仍然存在相当多的理论问题和操作上的难点；此测试的完善化，需要从科学哲学、科学史和科学社会学等学科中汲取营养；针

The logicality of translation is the base and starting point of translation .

翻译的逻辑性是翻译的基础和出发点，但是不少译文却缺乏逻辑性，翻译的难点也正在于此。

Vehicle Routing Problems is one of the key issues in the field of logistic management.

车辆路径问题是物流管理领域关注的热点和难点问题之一。

In this research,the impact of the fabric performance on the rule of looseness of lapel collar is studied.

针对翻驳领结构设计中的一大难点——倒伏量，主要研究面料性能对倒伏量变化规律的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。