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In this paper, the research object is the XM18 spherical generator, in order to improve the dynamic behavior of the machine tool, the following aspects have been studied in this thesis: Firstly, based on the elasticity theory and finite element analysis theory, the finite element models of the lathe bed, dovetail, dovetail shelf, headstock, fanlike plank and millhead shelf, which were the main parts of the spherical generator, were built up using ANSYS9.0. And based on the modal analysis theory and FEM technology, the free modal and the constrained modal analysis of the main parts were studied. Accordance to the analytical results, put forword methods to optimize the key parts.

本课题以XM18球面铣磨机为研究对象，为了提高其动态特性，本文主要从以下几个方面进行研究：首先，根据弹性力学理论和有限元分析的基本理论，利用ANSYS9.0软件建立了铣磨机的主要零部件床身、燕尾、燕尾座、主轴箱、扇形板和磨头座的有限元模型，利用有限元法对主要零部件进行了自由模态和约束模态分析，并根据分析结果对关键部件提出了改进方案。

In the study based on prior image constraint, the approach using minimum information discrimination to achieve the restored image constrained by prior image is proposed, and two approaches are given, which called minimum-mean-square-error validation and fiducially strategy to count regularization parameter adaptively for new constraint item.

在基于先验图像约束的方法中，提出利用最小鉴别信息构造先验图像对图像复原结果的约束，给出了基于最小均方误差验证和置信策略自适应计算新约束项正则化参数的两种方法。

We are more fiscally constrained, which forces us to work smarter and more efficiently.

与F-15相比我们资金上的限制更大了，这迫使我们更为精心和有效地工作。

Based on forementioned individual rationalities and social interaction, this dissertation focused on resource constrained multi-plans integration problem, and exploit a new method of resource allocation.

本文在综合前面论及的个体理性和MAS协商协调两方面理论的基础之上，针对资源有限条件下的计划整合问题，探讨了基于MAS协调的资源调配方法。

Dynamic interaction of plane waves with a unilaterally frictionally constrained inclusion – time domain boundary element analysis.

单侧摩擦接触约束夹杂物与平面波的动力相互作用-时域边界元分析。

These HBM is used to predict the resonant response of a frictionally constrained two degree of freedom oscillator.

故当激振力为单谐波函数时，进行两自由度系统受迫振动响应分析无论使用频域法还是时域法都能得到一致的结果。

Both material source and geodynamical setting forming the Nanling belt were constrained by the Dabie orogenic belt to the north and the Indosinian orogenic belt to the southwest.

南岭构造带发育在强烈褶皱变形的基底之上，发育了华南地区最大规模的早中生代花岗岩和裂谷盆地。

This essay makes a brief exploration of the theme and the characters of this novel, and shows that Hawthorne makes tactful use of symbolism and exposes tortuosity and heterization of the constrained human nature by Puritanism to express his beautiful hope breaking through shackles and establishing new morals.

本文对这部作品中的主题和人物进行了探悉，指出霍桑巧妙地运用了象征手法，揭示了清教压抑下的人性扭曲与异化，从而表达一种冲破枷锁，建立新道德的美好希望。

This paper presents a novel image retargeting method using saliency-based mesh parameterization. Specifically, this paper formulates retargeting an image to desired size as a constrained mesh parameterization problem which aims at finding a homomorphous target mesh with desired size.

提出一种全新的基于网格参数化的图像适应方法，该方法的关键在于把图像表示为特征网格，从而将图像适应问题转化为网格的参数化，即求取一个与该特征网格同拓扑，且具有目标屏幕尺寸的网格。

The book-model distribution actuator is superior for it can generate greater acting force in lower driver voltage. The actuator is integrated with a constrained damping layer that provides an active-passive hydrid control for suppressing the vibration of thin-wall structures.

研究结果表明，书本式分布作动器是一种能在较低驱动电压下产生较大作动力的作动器，它和约束阻尼层结合构成的可控约束阻尼层主被动一体化控制技术对于薄壁结构振动的抑制效果显著，有着较好的工程应用前景。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。