必要性

Part five discusses 3D model parametric representation, which includes 3D geometry parametrization and relative position relationship parametrization. In the former, the sweeping rules are further formalized, the concept of design parameters and modeling parameters is introduced. In the later, constraint transformation matrices of the position relationships between features are deduced, and the lost of model freedom resulted from the correspending constraint is analysed.

在特征几何参数化中，进一步规范化了特征几何的扫描生成规则，引入了设计参数和造型参数的概念，分析了造型参数向设计参数适时转化的必要性；在相对定位约束参数化中，推导了特征间一般位置约束关系的约束变换矩阵，拓宽了约束表示范围，并对约束的自由度亏损情况进行了分析。

Introduction,the first parl,introduces the situation of the research of the Bakhlins theory of chronotope.

第一部分是序论，介绍时空体理论研究的现状、分析时空体理论研究所出现的"无人之境"的原因以及本文写作的必要性。

In this thesis, the writer, starting from the monopoly of the paten and using the need to have restriction on the monopoly as evidence, gives his own point of view: patent calls for restriction.

并通过洛克的劳动财产权理论和黑格尔的人身财产权理论，从法哲学的角度论证了对专利权进行限制的必要性和正当性。

The developing process of Doctrine of Equivalent is the process of balancing the benefit between the public and the patentee.

在前言部分从等同侵权原则的现实性和必要性说明了把专利等同侵权原则作为研究对象的原因。

STATCOM is an patroller FACTS equipment. Compare with the rational Static Var Compensator SVC, STATCOM has many outstanding advantages, so it will take the place of SVC overwhelmingly.

研究首先论述了电力系统发展的背景和无功补偿的必要性，进而论述了个各种SVC装置（如饱和电抗器、晶闸管控制电抗器、晶闸管开关电容器）的工作原理与特性，静止同步补偿器的优点。

The fourth part explains the necessity of establishing new pattern of safety production management and supervision and describes in detail the specific content of the new pattern of safety production management and supervision and dynamic management system.

第四部分分析了建立安全生产监管新格局的必要性，并对建立安全生产监管工作新的格局和新的动态管理体系的具体内容进行了详细阐述。

This passage exposits the importance and necessity of China's participation in pea

本文通过三个方面的详细论述来阐明中国参与联合国维和行动的必要性。

In the third chapter, the development path of the Chisese forest park was reviewed, the hidden trouble behind the forest park development was analyzed, the development direction of the Chisese forest park was pointed out. On this basis, considering the harm of the tourist peccancy and present situation of tourist peccancy management in forest park, the necessity and urgency of tourist peccancy management in forest park was expounded.

第三章简要回顾了中国森林公园的发展轨迹，分析了森林公园快速发展背后的隐患，指出了中国森林公园的发展方向，在此基础上，结合游客违章行为的危害及全国森林公园游客违章行为管理的现状，阐明了森林公园游客违章行为管理的必要性与紧迫性。

To immediately process peccavi cases conforming to controlled conditions in the stage of review and prosecution is not only necessary, but also is feasible in the current justice reality of our country.

在审查起诉阶段对符合一定条件的认罪案件予以快速处理不但具有必要性，而且在我国司法现实下具有可行性。

After finishing the systemic pectination of inland and overseas correlative research, this study, basing on knowing the actual problems in the professional guiding of the school-based educational research, demonstrate the necessity and the feasibility of the professional guiding, summarize and equrate the aim, significance, personnel, content, form and implement by referring the correlative researches, put forward the implemental principles and the implemental policies of the professional guiding by combining the theories of psychology, sociology and communication.

在对以往国内外有关专业引领的相关研究进行系统梳理之后，本研究试图在了解当前校本教研中专业引领的实然状态及其存在问题的基础上，论证了校本教研中专业引领实施的必要性和可能性，并借鉴前人的相关研究成果，结合心理学、社会学和传播学的相关理论，总结归纳出校本教研中专业引领的目的意义、人员构成、内容形式和实施过程，提出了校本教研中专业引领实施的基本原则，最后重点从思想观念、理论知识和经验方法三个方面提出了相应的专业引领的实施策略。

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。