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Compared with the year of 2002, the polluted ranges of offshore marine areas, such as the estuaries and loughs expanded to some extent in 2003, with the main pollutants including: petroleum, inorganic nitrogen, activated phosphate, hydrargyrum and so on.

大部分海域海水水质基本良好，符合清洁、较清洁海水水质标准，远海、近海海水水质优于近岸；与2002年相比河口、港湾等近岸海域污染范围有所扩大，主要污染物是石油类、无机氮、活性磷酸盐和汞等。

The result obtained can provide the guidance for the structure design and the selection parameters of hydraulically expanded joints.

研究结果能够为胀接接头的结构设计和工艺参数的选择提供指导。

In recent years hydroponic farming has been expanded to many parts of the world.

近几年来，水栽法种树植已在世界许多地区推广。

After the hypha entering the leaf sheath, they expanded in the intercellular space and the intercellular.

菌丝进入叶鞘后，在胞间隙和胞间进行扩展。

There, she socialized with well-known, outspoken women, such as Charlotte Perkins Gilman, and absorbed iconoclastic ideas about marriage and women's independence that expanded and strengthened her own views.

在那里，她与社会众所周知的，直言不讳的妇女，如夏洛特帕金斯吉尔曼，并吸收iconoclastic思考婚姻和妇女的独立性，扩大和加强自己的看法。

Secondly, the paper is expanded from follow three aspects: the virtual design, the virtual process and the product data managementduring the developing the torque converter. Applying the key technique of concurrent engineering---design for function, design for assemblyand design for manufactureof the method of design for "X", the virtual design of the torque converter is accomplished in CATIA V5. Then the model constitution and the simulation of virtual process of the torque converter is done in CATIA V5, including the model constitution and the simulation of 5-aixe NC virtual process of the vane, the model constitution（material:PVC） of the idler pulley rapid prototypingand the virtual assembly and the motion simulation of the torque converter, etc. 3-D data exchange between various CAD systems is realized by using STEP standard. The lever of classing the character model of the torque converter is given. And the access authorization is set up and given to manage the partners' reading/writing the product data.

应用并行工程的关键技术之一——面向产品全生命周期的设计DFX中面向功能的设计DFF、面向装配的设计DFA和面向制造的设计DFM的方法，在CATIA V5中完成液力变矩器虚拟设计；在CATIA V5中对液力变矩器进行虚拟加工建模和仿真，包括液力变矩器导轮叶片五轴数控加工刀轨建模与仿真、导轮快速成型RP建模、液力变矩器虚拟装配和运动仿真等；采用STEP标准实现多CAD系统之间三维数据交换，提出液力变矩器特征模型的分级标准并对三维模型数据进行分级管理，制定相应的权限等级以规范合作厂家的产品数据管理层次。

Fortunately, it turned out that as the scale of markets expanded and technologies evolved, in most industries there were many firms, perhaps not enough that the economy was well approximately by the perfect competition ideal that underlay Smith's theorem, but sufficiently great that the worries about monopoly capitalism seemed ill-founded.

幸运的是，随着市场规模的扩张和技术含量的增加，在大多数的产业有了更多的公司，虽然不足以说经济已经好到在亚当斯密的理论下的完全竞争的理念，但也足够说明担心垄断资本主义似乎是不必要的。

With the development of space technology, the data of space remote sensing image are expanded greatly.

随着空间技术的发展，空间遥感图像的数据量呈几何级数增加。

In this paper, a high order accuracy difference method is presented for solving unsteady convection diffusion equation by using Implicit Perturbation Finite Difference scheme. Firstly, we use the steady convection diffusion equation, the constant coefficients of this equation are expanded to power series of grid-spacings, then the high-order Perturbation Finite Difference scheme is obtained by determining the coefficients of the power series. Put this scheme on unsteady convection diffusion equations and modified it, the IPFD scheme is constructed.

本文利用摄动差分思想，对定常对流扩散方程中的空间微商系数进行摄动展开，展开幂级数系数通过消去摄动格式修正微分方程的截断误差项求出，由此获得方程的隐式摄动差分格式，将此方法应用于非定常对流扩散方程，并加以修正，得到该方程的修正隐式摄动差分格式。

From the results of expanded state estimation application, which is a representative parameter estimation method proposed before, it often happened that the parameters could not be estimated or estimated imprecisely.

扩展状态估计法是一种有代表性的参数估计方法，在该算法的实际应用中，发现支路参数不可估计或者估计结果不合理的现象时有发生。

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。