查询词典 present value

Meanwhile, authors present the realization mechanism of safety factor's global optimization, and make sensitivity analyses on value of global optimization.

同时，也介绍了安全因子整体优化的实现机制，并对整体优化的价值作了敏感性分析。

On the one hand, science and technology extremely strengthens the power of human, and market economy realizes the constant growth of social material wealth, on the other hand, with ideology of scientific rationalism and economic determinism, people deviate from the basic moral spirit and humanistic value. The absence of responsibility brings hidden worry to both present and future existence and harmonious development of human. In the drive of economical globalization, Chinas reform and opening-up gains tremendous fruit, however, the ecological and moral problems gradually emerge.

一方面，科学技术的发展极大增强了人类的力量，市场经济使社会物质财富不断增长：另一方面，在科技理性和唯经济主义的意识形态下，人们背离了人之为人应有的道德精神和人文价值，责任缺失给人类当下和未来的生存与和谐发展带来极大隐忧。

In this paper,we present a hybrid watermark embedding scheme base on DWT and Singular Value Decomposition.

数字水印是多媒体数字产品版权保护的重要技术之一，目前许多关于图像融合的研究都在空域中进行，隐藏水印图像抗攻击的能力较差。

At present, under the effect of the relaxation of financial regulation, the securities management system depending only on administrative power is censured by more and more people, and the value of arousing the effect of markets depending on civil liability system reveals day by day.

目前，在全球放松金融管制的浪潮冲击下，单纯依赖行政权力的证券管理体制越来越多地为人们所诟病，而依靠民事责任制度调动市场力量参与证券监管的制度却日益显现出其价值。

With the following four basic teaching materials Beyer, Czerny Elementary Course op. 599 for the Piano Beginners, John Thompson 憇 Modern Piano Course and Microcosm as the object of study, the present paper makes a comparative analysis and study of them from the perspectives such as the structure and content, the progression arrangement, musicality and interest. Based upon this, this paper systematically induces the features of these four courses together with their respective merits and demerits, thus objectively judging their respective stature in the artistic history of piano and their value in the piano instruction.

本文以四种钢琴基础教材《拜厄》、《车尔尼钢琴初步教程Op.599》、《约翰·汤普森现代钢琴教程》、《小宇宙》为研究对象，从结构内容、进度安排、音乐性、趣味性等方面进行比较分析与研究，系统地归纳了四种教材的特点，指出了各自存在的优势和不足，客观地评价了它们在钢琴艺术史上的地位以及在钢琴教学实践中的价值。

The ruling passion of the age," Soddy said,"is to convert wealth into debt— to exchange a thing with present-day real value (a thing that could be stolen, or broken, or rust or rot before you can manage to use it) for something immutable and unchanging , a claim on wealth that has yet to be made.

索迪曾说&这个时代的主要志趣就是将财富转变成债务&——用一个带有现实价值的东西去换取一个永久而不可变的玩艺儿，一个对尚待创造的财富的求取权。

A study of forms, contents, languages, themes, and styles in western literature and literary works from the Roman Empire period to the present day. Focus is on the value and the importance of Western literature and the background of time that connect literary work with Western spiritual culture. Contemporary

研究罗曼时期至今的西方文学以及各种形式的文学作品，范围涉及文学作品的形式、内容、语言、构思以及西方文学的写作风格、价值和重要性等，另外还包括了使西方人的精神文化与西方文学作品相联在一起的时代背景。

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。