必要性

This doctoral dissertation concentrate its research on rendering algorithms, parallel and distributed process, visualization environment and system, of 3D scalar data field.

首先分析了当前科学计算可视化的发展趋势，总结了三维数据场体可视化技术的发展现状及目前研究中的不足，指出了开展三维数据场体可视化技术研究的必要性。

Then, through building the model of the scatteration of the gathered underwrite risk and portfolio risk, the function of scattering risk of going on the market is further expoun.

本文围绕着这两大风险从我国保险公司的现状和承保风险集聚的理论方面分析保险公司上市的必要性和可能性，然后，通过建立承保集聚风险分散和组合投资风险分散的模型，进一步从理论上阐明上市分散风险的功能，最终得出上市是发展我国保险事业的有效途径的结论。

Around the two major risks, the necessities and possibilities are analyzed that insurance companies go on the market from the aspects of the present conditions of Chinese insurance companies and the theory on the gathered underwrite risk. Then, through building the model of the scatteration of the gathered underwrite risk and portfolio risk, the function of scattering risk of going on the market is further expoun...

本文围绕着这两大风险从我国保险公司的现状和承保风险集聚的理论方面分析保险公司上市的必要性和可能性，然后，通过建立承保集聚风险分散和组合投资风险分散的模型，进一步从理论上阐明上市分散风险的功能，最终得出上市是发展我国保险事业的有效途径的结论。

Exploring the resources of schoolfellows, developing the potential of schoolfellows and bringing the resources of schoolfellows into full play in the development of universities are crucial to adapting to the new educational system, enhancing the strength of education and accelerating the development of universities. schoolfellow work ; exploit resources ; accelerate development

一、建立高校校友会的必要性知识经济以信息和科学技术的迅猛发展为特征，突出创新人才的培养是全社会的重要任务，在大的环境要求下，突破传统的、封闭式的教育管理模式，建立系统性、开放性、创新性的高校教育管理体系，已成为各高校必须大力推进的工作，"校友"无

This paper discusses the causes and mechanism of scratchiness of the ramie fabric, introduces treating methods for improving or eliminating the scratchiness and suggests that further study on this respect should be carried on.

对织物刺痒感产生的一般原因和机理进行了探讨，对改善刺痒感的处理方法做了介绍，提出了对织物刺痒感成因和消除机理研究的必要性。

On the basis of analyzing the necessity to establish and improve the pollutant emission right trading market mechanism,the concept of the primary market and secondary market for the pollutant emission right are put forward.

在分析建立和完善排污权市场机制必要性的基础上，提出了排污权一级市场和二级市场的概念，阐述了参与主体不同、实施手段不同、风险大小不同和作用效果不同是一级市场与二级市场的主要区别；指出排污权一级市场需要解决的核心是公平问题，二级市场需要解决的核心是效率问题，并提出了保证排污权一级市场的公平性和提高二级市场效率的若干重要措施。

Next, the article elaborated the necessity and feasibility of young people's self-education in thought and political education.

性；其次，文章重点阐述了思想政治教育过程中青少年自我教育的必要性及其可能性

But fortunately, our Chinese are full of passion, our country is developing with the times (we may not always indulge ourselves in self-flagellation), only a small group of chatty literati are leaving behind to prove the necessity of forming pluralistic discourse, to maintain ecological balance and to show the democratic process.

但好在国民对此充满热情（他们才最相信自己的身体），国家正在与时俱进（不可能老是以自虐为乐吧），留下一小撮嚼烂舌头的小文人，徒有构成多元话语维护生态平衡显示民主进程的必要性。

We have observed how Locke's Essay and many literary texts in its wake insist upon the necessity of self-observation for deriving valuable lessons about humankind.

我们已经发现：洛克的文章和后续的很多文学作品均强调一种思想，即，自我省视对於总结人类总结经验教训的必要性。

With the constant social reform and rapid econom~ic development,the finances system of higher education financed mainly by goverments with tuition fee and self-raised funds as secondary source of expenditurer has taken~ the shape,which has made it an urgent task for higher educational adm~inistrationas to run college in a connotative~ way and reap the fullest benifit that edcational resource can provide.the paper analyses the necessity and principles of optimizing the benifit from resource and bring f...

随着社会的不断变革，经济的飞速发展，高等教育以国家投资为辅，学费和自筹资金为主的投资体系正在形成，走内涵式发展道路，提高教育资源的使用效益已成为高等教育管理的紧迫任务。本文分析了优化高等教育资源使用效益的必要性和原则，提出了优化高等教育资源使用效益的若干措施。

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。