必要性

At the end of this thesis, will summurize the importance and necessity of the coloratura mezzo-soprano study and training through the comparison and practical analysis of different views towards coloratura art of three famous singers in different countries.

最后一章，例举了三位不同国家的著名歌唱家，在她们的艺术生涯实践中对比分析了她们对花腔艺术的诠释，总结了对花腔女中音训练和培养的必要性。

From the point of view of the need, fulfilling environmental responsibility is an inevitable requirement of the Sustainable Development Concept and the Scientific Development Concept. From the point of view of the possibility, the rise of Communitarianism will play a catalytic role on the implementation of environmental responsibility.

如果从宏观层面进行理论划分的话，环境责任观念是责任伦理的组成部分；从必要性的角度看，履行环境责任是可持续发展观与科学发展观的必然要求；从可能性的角度讲，共同体主义的兴起将对环境责任的落实将起到促进作用。

A Brief Talk on the Communization of Adult Education ZHANG Jing-si Coll...

社区成人教育，发展，建议，必要性，要求，内涵，揭示，纳入|论文范文下载网

After investigating the evolving of tax systems in the world and the rising of income tax in developed countries, the author suggested the way to optimizing Chinese tax revenue structure is to set up a two-main-body tax system with turnover tax and income tax. The conceived outline is to augment the income taxation, to adjust the comparative proportion between turnover tax and income tax, and hence to change the distorted tax system and set up a two-main-body one, in which turnover tax and income tax can function congenially and complementally.

在分析成因、指出弊端和改革必要性后，本文通过对税制演变的规律总结和发达国家所得税上升为主体税种的过程考察，提出优化我国税种收入结构的方向是建立双主体税种结构，总体思路是在稳定流转税收入的情况下，增加所得税的规模及在税收收入中的比重，以动态的方式改善商品流转税和所得税的相对比例，改变我国税种收入结构失衡、税制功能扭曲的现状，构建一个流转税和所得税结构协调、功能互补的双主体税种结构。

After investigating the evolving of tax systems in the world and the rising of income tax in developed countries, the author suggested the way to optimizing Chinese tax revenue structure is to set up a two-main-body tax system with turnover tax and income tax. The conceived outline is to augment the incom e taxation, to adjust the comparative proportion between turnover tax and income tax, and hence to change the distorted tax system and set up a two-main-body one, in which turnover tax and income tax can function congenially and complementally.

在分析成因、指出弊端和改革必要性后，本文通过对税制演变的规律总结和发达国家所得税上升为主体税种的过程考察，提出优化我国税种收入结构的方向是建立双主体税种结构，总体思路是在稳定流转税收入的情况下，增加所得税的规模及在税收收入中的比重，以动态的方式改善商品流转税和所得税的相对比例，改变我国税种收入结构失衡、税制功能扭曲的现状，构建一个流转税和所得税结构协调、功能互补的双主体税种结构。

The necessity of the 3-dimensional modeling of the human foot-skeleton is discussed,and considering its characteristics such as being small and having complex shapes and a large quantity of bones and joints,the approach to the 3-dimensional finite element modeling of human foot-skeleton based on CT images with the thickness of 2 mm is studied.

讨论了建立人体足部骨骼有限元模型的必要性；针对其形状复杂、数量多、体积小和关节多的特点，分析探讨了基于2 mm层厚的CT图像建立人体足部骨骼三维有限元模型的主要途径。

Various methods of compressing and processing of video signal are specifically discussed.

本文首先叙述了视频编码的必要性、视频编码的IP可视电话系统结构等问题。

The problems by using 2D finite element computing modeling to study the local magnetization for tank floor are analyzed, and 3D finite element modeling is set up.

在比较了多种研究材料内部磁场分布的方法的基础上，分析了二维有限元模型在研究局部磁化中存在的问题以及采用三维有限元计算的必要性。

And this paper analyses the necessity of COMS construction, introduces structure design of COMS.

本论文介绍了语料库的基本特点和类型，分析了蒙古语语料库系统COMS建设的必要性。

The background of its appearance is relatively simple, which is that merely from function graph studies, the importance of concavity can be drawn, but it is significant to be noted that the mathematical thought of the combination of figure and chart shown here is very important.

它提出的背景非常浅近，仅仅从函数图像的研究中就可获得凹凸性提出的必要性，但是此处所体现的数形结合的数学思想却是非常重要的。

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。