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The main work and results are as follows:(1) According to the particular movement of high spot closed gripper mechanism, the full method of dynamic characteristics was presented and built. It contained relative motion analysis, absolute motion analysis, dynamics of rigid body's analysis and elastodynamics analysis.

本论文主要工作和取得的成效如下：(1)针对高点闭牙机构运动的特殊性，提出并建立了机构动力特性分析方法，包括相对运动分析、绝对运动分析、刚体动力学分析和弹性动力学分析。

The dissertation presents a mathematical modeling approach for the high-speed flexible linkage mechanisms equipped with bonded piezoelectric sensing/actuating elements employing a mixed variational approach with Hamilton's principle in conjunction with the finite element formulation. This model includes both the terms coupling the elastic and rigid-body motions of linkage mechanisms and the terms coupling the elastodynamics and piezoelectricity of the elements, incorporating their effects upon the mass and stiffness matrices which are in general non-symmetric.

本文以国家自然科学基金资助项目《弹性连杆机构有害振动的主、被动控制及混合控制研究》（资助号：59605001）和广东省自然科学基金项目《开链及闭链机构有害振动控制研究》（资助号：970381）为依托，对高速弹性连杆机构振动的主动控制中的建模、求解、控制律的选择、作动/传感元件的优化以及实验研究等几个关键问题进行了比较深入细致的研究，取得了一些具有重要理论意义和重大实际应用价值的成果。

With the great development cf mountain expressway and elevated road, the curved continuous rigid frame bridge has been growing up rapidly in recent years with its unique predominance of compatibility and comfortable.

随着山区高等级公路和城市高架道路的快速发展，大跨径预应力混凝土曲线刚构桥以其能很好地适应地形、地貌的限制，减少道路展线长度，使道路更加平顺、流畅等独特优势在近年来得到了迅速发展。

Dynamic analysis of a buried rigid elliptic cylinder partially debonded from surrounding matrix under shear waves.

剪切波作用下埋藏刚性椭圆柱与周围介质部分脱胶时的动力分析。

Scattering of SH waves from a partially debonded rigid elliptic cylinder.

P波对界面部分脱胶的刚性圆柱夹杂物的散射。

Under the assumption that the Earth is a triaxial rigid body which is rotating freely in the Euclidian space, the elliptic integral solution of the Euler dynamic equation is provided, and then the numerical solutions of the Euler dynamic as well as kinetic equation are realized.

在Euclid空间中，假定地球是一个作自由旋转的3个主惯性矩互不相等的刚体，给出了Euler动力学方程的椭圆积分解，并实现了Euler动力学方程和运动学方程的数值解。

Chaos and its control in the planar libration of a magnetic rigid spacecraft with internal damping in an elliptic orbit are investigated.

研究在具有内阻尼的磁性刚体航天器在椭圆轨道上平面天平动的混沌及其控制。

Chaotic planar libration and its control of a magnetic rigid spacecraft with internal damping in an elliptic orbit near the equatorial plane of the earth are investigated.

研究在地球万有引力场和磁场中具有结构内阻尼的磁性刚体航天器在近赤道椭圆轨道上平面天平动的混沌行为及其控制。

In the area of relations between population and productive forces, Elster misreads Marx's three literally different arguments, which he thinks are logically inconsistent and disordering. The misreading is rooted in his rigid contrast among Marx's empirical description, transcendental criticism and independent stand-point of philosophical anthropology.

这种误读的逻辑根源在于，他把马克思的实证性描述、超越性批判和独立的人类学视角进行机械对比，从而把马克思表述上的差别定性为逻辑上的矛盾和混乱。

Although apparently rigid, bones exhibit a degree of elasticity that ena bles the skeleton to withstand considerable impact.

骨头看起来是脆硬的，但它也有一定的弹性，使得骨骼能够承受相当的打击。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。