运动学

In this paper,the authoruses the method of the explicit finite-element numerical simulation, which isbased on the most simple two-dimensional-finite-element modle and kinematicsource model,to study the basic characteristics of near-fault ground motion, suchas the changing tendency of the hanging-wall effect and the vertical effect as weonly change the fault dip or the depth of the top of the fault.

本文拟利用最简单的二维有限单元模型和基于有限断层假定的震源运动学模型，采用集中质量显式有限元数值模拟的方法研究近断层地震动的特征，如上盘效应和竖向效应随断层倾角以及断层的上界埋深的变化而改变的趋势。

Analyzed on dynamics and kinematics about rotary ditching machine , it is feasible and advanced on practice test.

通过对前置上切削旋转开沟机具运动学、动力学的分析和计算，以及对前置上切削旋转开沟功耗的分析，解决了小功率管理机挖深沟的问题；通过试验和生产考核，证明了该套机具可行性与先进性。

So the model is improved after the optimization which is based on the optimization and design module of ADAMS, and then the the rising-up simulate curve of the dry dock gate is close in upon rising-up experimental curve .

应用ADAMS软件建立了干船坞坞门的参数化仿真模型，并利用该模型对坞门的运动学和动力学进行了仿真，在此基础上应用ADAMS优化分析模块优化了固定浮舱容积和操作浮舱容积等参数，改进了原有模型，使其仿真曲线更接近实验曲线。

Kinematics model of elastic rubber parts, first is the simplified three vertical springs 22, in which an alternative to rubber axial deformation, and the other two vertical springs alternative to radial deformation of rubber parts.

弹性运动学模型中首先是橡胶件简化成三根两两垂直的弹簧，其中一根替代橡胶件的轴向变形，另两根垂直的弹簧替代橡胶件的径向变形。

In tectonics, the relationships of fault geometry, kinematics and kinetics to the anticlines are discussed, and in sedimentology, the deposite rate and the characteristics of sediments are described.

在构造方面，主要包括断层的几何学特征、运动学特征和动力学特征与滚动背斜的关系；在沉积方面，主要包括沉积速率和沉积物的性质。

FIGURE 1-1 Examples of kinematic devices in general use Construction equipment such as tractors, cranes, and backhoes all use linkages extensively in their design.

图1-1例子运动学装置一般使用的施工设备，如拖拉机，起重机与折冲都使用广泛的联系，在他们的设计。

A 10 cm visual analogue scale for representing the comfort and well-being then was used after trials for each type backrest respectively. Based on the main aims of this study, we focus on the main effect of different backrests.

过程中分别记录其运动学资料、时间参数与动力学资料，以及不同靠背之舒适度与帮助性评估。

The independent variables in this research are two type backrests, three speed conditions, and three levels of surface. The kinematic and kinetic data are dependent variables. To test the study hypothesis, we used a two-way respeated measures analysis of variance on two factors (backrests and speeds, or backrests and slopes).

依研究目的将不同靠背组别作为主要影响因子，运动学资料与动力学资料为依变项，以重复量数双因子变异数分析(Repeated Measurement Two-way ANOVA)来验证不同靠背之间的差异性。

Then a solution of CAD/CAM of the camis put forward. The following work has been completed. Based on analysis of transmission, structure and profile formation principle of thecam, the basic kinematic formula of the gear indexing cam mechanism isdeduced. Furthermore the space meshing contact equation of cam profile and theroller is formulated.

在此基础上提出了弧面分度凸轮的CAD/CAM解决方案，论文得到如下主要结论：在对弧面分度凸轮传动形式、结构和廓面成形理论分析的基础上，推导出了弧面分度凸轮机构的基本的运动学公式，凸轮廓面与滚子的空间共轭接触方程。

A multi-body vehicle dynamics model exposed to crosswinds is established by the ADAMS software.

根据多体系统动力学及运动学理论，在ADAMS软件平台上建立了侧风环境下仿真所需要的整车多体动力学模型。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。