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The truck cast steel three big piece type bogie is easy to maintain. But since the grate weight under spring and the large operation strength during running, it is difficult for the bogie to keep the positive position. The critical speed of the snaking motion is low, which is inapplicable for high speed running. The other type of truck bogie is H type integrative truss. Its structure is complicate relatively, which is not easy to manufacture and maintain. But it can keep the positive position of the bogie preferably. And because it is adopted the structure of axle box one series elastic suspend, the weight under spring reduces. Which achieve the effective control to wheel sets and improve the running quality of the bogie distinctly.

货车铸钢三大件式转向架便于制造维修，但因其簧下质量大，在运行中轮轨作用力大，转向架难以保持正位，蛇行运动临界速度低，不适用于高速运行；货车转向架的另一种形式是"H"型构架一体式，结构较为复杂，不便于制造和检修，但它能够较好地保持转向架的正位，而且由于采用了轴箱一系弹性悬挂结构，降低了簧下质量，实现了对轮对的有效控制，明显地改善了转向架的运行品质。

There are explicit and implicit schemes in FDM . explicit scheme are easy to compute and make programmes, but it has a problem of conditional stability and the exactness is not high .

有限差分方法主要有，显式格式和隐式格式(Crank-Nicolson格式)，其中显式格式虽然计算简单，便于编程，但有稳定性限制，并且精度也比较低，不便于适用。

It is convenient for this model to build error equation and distinctly process the horizontal component and height component of GPS network.

此模型既便于误差方程的建立，又便于将已知数据的平面部分和高程部分分别进行处理。

Numerical control tools are developing quickly and used widely because they are more roboticized, less error of machined parts, products' quality are steady, easy to product exploder and easy to realize computer aid manufacture.

由于数控机床具有自动化程度高、加工的零件误差小、产品质量稳定、生产效率高、便于产品的研制开发以及便于实现计算机辅助制造等特点而获得了迅速的发展和广泛的应用。

During the course of using the digital image processing to research and analyze the glass-crack image, apply Microsoft Visual Basic 6.0 grogram language to develop this inspecting system and make the varied arithmetic some individual processing modules. From the open, read and storage of the image to the image segmentation, feature selection until the crack judgment, this system all utilize the modularization program method.

在利用数字图像处理技术研究和分析裂纹图像的过程中，应用了可视化编程语言Visual Basic6.0来开发该检测系统，将各种算法分别做成一个个单独的处理模块，从图像文件的读取、保存到图像预处理在到图像分割、特征提取直至裂纹判断都采用了模块化的编程方法，这样不仅便于算法的编程，还可以使操作界面清晰明了，便于对图像进行处理和操作，提高处理速度。

The import picture feature is useful for displaying graphics from other applications in your drawing. For example, a cross-section drawing could be imported as a DXF file from AutoCAD for use as a background graphic while defining the problem domain. This feature can also be used to display things like photographs or a company logo on the drawing. Pictures are imported as an AutoCAD DXF file, a Windows bitmap file, an enhanced metafile, or a Windows metafile,.

重要的图片特征便于从图中其他应用中显示图形，例如，当定义模型要素时，一个网格部分可以输出为DXF文件便于AutoCAD作为图纸背景使用，这种特征也可被用来在图中显示比如图片或公司logo，图片可以被输出为：AutoCAD DXF、BMP、EMF、WMF等格式。

Such doing, to audit staff, can arouse the enthusiasm of audit staff, the evaluation; that makes just and sound to leading the economic responsibility inside cadre lieutenancy from will be look by audit unit, check easily problem, facilitating investigation is analysed, fulfil responsibility in time, make leave one's post person hand in clearly, inductee is received so that be clear that; looks from branch of constituent human affairs, can produce beforehand feedback effect, receive audit report beforehand, facilitating understanding arrives true condition of the cadre, provide referenced basis to appropriate appoint cadre.

这样做，对审计人员来说，能够调动审计人员的积极性，对领导干部任期内的经济责任做出公允的评价；从被审计单位来看，容易核对问题，便于调查分析，及时落实责任，使离任者交得明白，就任者接得清楚；从组织人事部门来看，能够发挥事前反馈作用，事先接到审计报告，便于了解到干部的真实情况，对恰当任用干部提供参考依据。

At present the evaluation methods of garden cities promulgated by Ministry of Construction only take hardness index to the urban green space ratio and green coverage rate,The suggestion is to establish quantized instructiveness advice for the arborous and shrub layers density of urban different function greenlands and species. It convenient for acceptance check more scientific,more normative to construction of urban greenland system. Finally it can maximum improve unit green capacity under assuring each service function.

目前建设部颁布的园林城市评审办法只对城市的绿地率和绿化率有硬性指标，建议对城市不同功能类型的绿地的乔灌木的种植密度、种类等数量值制定量化的指导性的建议，便于城市绿地系统的建设更科学，更规范，更便于验收检查，最终在能保证各自服务功能的前提下最大限度的提高单位绿地的绿量。

This article presents the reader a new method of judging if the vertical plane s of two different projecting planes are crossing and how to analyze the intersecting lines of it by using the similar shape complementary principle.

提出了一种利用类似形互补原理，判断两个不同投影面的垂直面是否相交以及它们的交线部分的看图新方法，目的在于解决视图中的斜线问题，便于理解和把握形体的整体形状，便于看图和画图。

So, it needs to research the modeling and simulation of MIMO channels. The parametrical models of MIMO fading channels are needed to analyze the effect of different array topological structures and different channel parameters on the performance of the communication system, and verify the performance of signal processing algorithm.

故需要对无线MIMO衰落信道的建模与仿真技术进行研究，需要建立参数化的便于描述的无线衰落信道模型，以便于分析不同天线拓扑结构与无线衰落信道传播参数对系统性能的影响，便于信号处理算法的设计与性能验证。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。