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In Brunn-Minkowski-Firey theory, we establish two extremum properties of the new ellipsoid; Then we generalize Petty\'s affine projection inequality and monotonicity results related to affine surface area to L_p—affine surface area; We establish the Brunn-Minkowski type inequalities for the volume of the L_p centroid body and its polar body with respect to the normalized L_p radial addition. At last, we introduce the minimal L_p—mean width of a convex body and generalize the minimal mean width to the Brunn-Minkowski-Firey theory.

在L_p-Brunn-Minkowski理论中，我们首先给出了两个关于新椭球的极值性质；然后研究了L_p仿射表面积，将Petty仿射投影不等式和Winterniz单调性问题推广到L_p仿射表面积；建立了L_p质心体和其极体的Brunn-Minkowski型不等式；研究了凸体的最小L_p平均宽度，给(来源：3bABbeC论文网www.abclunwen.com)出凸体K具有最小L_p平均宽度的充分必要条件，最后给出了凸体L_p平均宽度位置的稳定性。

With the society Of city develobing ,the value of urban forestry become More and more affirmable and is taken care by every City in the world ,this paper excerpt the history of Urban forestry and the need of constructing urban forestry ,refer to concept ,category ang area of urban forestry ,introduce the condition of natural and environment,the situation of society and economy of nanning simply, summarize status of forestry resource in nanning, analyze and evaluate urban forestry in nanning about city afforestation ,timber structure,biodiversity ,comprehensive development of forestry ,and so on ,in according with investigation of Nanning citys afforestation in 2000,and suburban forest resource survey in 1999 ,and so on ,suggest the antidote of sustainable development according to the problem existing at present and develobment tendency of ecology ,second, bersist the orientation development of urban forest ,third,persist the principle of "the same three paces"and "the three unity",the last,change the affaire of managed department

随着城市社会经济的发展，城市林业的重要性越来越受到世界各城市的肯定并给予关注和重视。本文引述城市林业的历史以及建设城市林业的必要性，提出城市林业的概念、范畴及其地域范围，简要介绍南宁市城市自然环境条件与社会经济概况，依据2000年南宁市城市绿化普查及1999年南宁市郊区森林资源清查等资料，概述该市林业资源现状，并对南宁市城市林业的城市绿化、林种结构、生物多样性以及林业综合开发等进行分析评价，针对存在问题及城市林业未来的发展趋势提出南宁市城市林业可持续发展的对策：1加强生态文化宣传教育；2坚持城市林业的定位发展；3坚持"三同步"、"三统一"的方针原则；4转变经营部门职能，旨在为南宁市城市林业的建设和发展提供参考。关键词城市林业；城市概况；现状分析；可持续发展

We should introduce English affixation into the classes of intensive reading, even to the level as deep as possible, analyze and explain morphemes in words.

在我国 ，初中、高中、大学公共英语及专业英语的英语课本中只简要介绍过词缀法，主要是几个简单的前缀和后缀。

This paper introduce a kind of tool — aggregation operator.

本文介绍了一种这样的工具—信息集结算子。

In this paper, we introduce mobile agent technology and protocol analysis technology inIDS, and bring out a Distributed IDS Based on Mobile Agent and Protocol Analysis, whichcombines the Jpcap plug-in and mobile agent platform Aglet.

本文研究分析了移动代理技术以及协议分析技术，并将两种技术引入到入侵检测领域方面，提出了基于移动代理和协议分析的分布式入侵检测系统。

The purpose of this course is to introduce and analyze the production and operation for agribusiness management.

课程之目的，在使学生以经理人立场趣了解农企业生产与作业管理，内容包括：1。

Company has strong technical strength, with a number of highly qualified professionals in agriculture, agronomy, Dr. existing two senior agronomist 16, university graduate from college or higher 28 people, the company has from Italy, Australia, Netherlands, New Zealand, Taiwan and other countries and regions to introduce dozens of names, gifted, special, Jane, Koyasan vegetable varieties, the same time, through many years of research and experiment, has now developed more than 40 kinds of bases suitable for use in plant cultivation and varieties of wild vegetables.

公司技术力量雄厚，拥有一批高素质农业专业人才，现有农学博士二名，高级农艺师16名，大学本科以上学历28人，公司先后从意大利、澳大利亚、荷兰、新西兰、台湾等国家和地区引进了数十个名、优、特、珍、野山菜品种，同时，通过多年的研发和实验，现已开发了40多种适合在基地培育和种植的野山菜品种。

I'd like to introduce you to Ahmed, our business manager.

only。 1。我要向您介绍我们的业务经理阿麦德。

It is necessary for introduce aileen, I met her in Sichuan.

很有必要隆重介绍一下 aileen 。

Since its establishment, has been actively introduce advanced technology at home and abroad, and further developed for air, hydraulic cylinder used in magnetic sensor devices.

公司成立以来，不断积极引进国内外先进技术工艺，进一步研制开发了适用于空、油压缸用的磁性传感器器。

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。