查询词典 accelerated motion

The systems of machining complex curved surface by means of WEDM are classified to establish the main kinematics theories of machining complex curved surface by means of WEDM By analyzing various systems of machining complex curved surface by means of WEDM, the combination, characteristics, motion parameters and motion types of them are summarized And a model system of the is established according to the basic principles of the forming of ruled surface in spatial analytic geometry.

主要内容及取得的成果体现在以下几个方面：为了建立复杂曲面电火花线切割运动学的主要理论，本文对复杂曲面电火花线切割加工系统进行了分类，并分析总结出各种复杂曲面电火花线切割加工系统的组成、特点、运动参数及运动形式。

Firstly,using the method of concentrate mass this paper establish a non-linear dynamics model of a two-stage gear train with backlashe between the gear pair,and through analysed the dynamics model,the torsional motion differential equations are got , on this basis,then calculate the torsional motion differential equations using Runge—Kutta method ,and discuss how to influence the dynamics characteristic of system when these parameters chage such as mesh frequentcies、 stiffness of the intermediate shaft、the ration of mesh frequentcies.and discuss when the chaos will happen under the change of these parameters.

首先用集中质量法建立系统的含间隙的非线性动力学模型，并根据牛顿力学定理，得到系统的运动微分方程。然后对所建立的运动微分方程运用四阶变步长Runge—Kutta方法进行了求解，并对计算结果进行分析，研究了齿轮啮合频率、中间联接轴的刚度，一、二级齿轮的啮合频率比等参数变化时，对系统非线性动力学特性的影响规律，并讨论了当参数如何变化时会导致系统的混沌响应的出现。

The semicircular canals are the primary sensors of angular motion, and the utricle and saccule contain the otolith organs, which sense both the linear motion of the skull and the orientation of the skull with re- spect to gravity.

头的倾斜可以引起耳石所致的毛细胞弯曲，后者将神经冲动通过前庭神经传送到大脑。

It is consisted of these parts: The mechanisms of the self-motion robot, there are motion mechanism, orientation mechanism, elevator mechanics

在设计过程中，需要完成整个机器人机械本体的设计，包括行走机构、定位机构、升降机构和投篮机构，使其具有足够的精度完成各种要求动作。

It is shown that the self-motion is regular by the extended Jacobian method, while the self-motion is chaotic by the pseudoinverse of the Jacobian method.

研究表明：基于扩展Jacobian矩阵方法求解冗余度机器人运动学逆解时其自运动是规则的周期运动，而基于Jacobian矩阵的伪逆求解冗余度机器人运动学逆解时其自运动是混沌的

Purpose: The perception of motion will be affected by inserting a blank frame, which is too short to recognize but interrupt normal visual motion sequency.

目的：在视觉运动序列中，插入一个不为人们所觉察的空白图片，阻断正常视觉运动序列，会影响人们对运动方向的知觉。

This system included s light micro-scope to magnify the image of the micro-structure and project the image of the CCD camera; froze the high speed motion station of micro-structure based on stroboscopic principle to get a serial of dynamic images; and used the optical algorithm based on label field and neighborhood optimization method to motion estimation for sequential images of micro-structures to obtain dynamic characteristics parameters.

系统包括：利用光学显微镜来实现微结构的放大，并将图像投影到CCD摄像机上；基于频闪成像原理来冻结微结构的高速运动状态，获取一系列动态图像序列；基于提出的标号场和邻域优化法相结合的光流算法对微结构的运动序列图像做运动估计，获取其重要动态特性参数。

Here "motion"---the central concept of the project---has multiple meanings. What is set in motion is something both physical and sonic, subjective and objective, sculptural and architectural.

作为这个展览的主要概念，"运动"在这里具有多种含义，既是实体的也是声音的，既是主体的也是客体的，既是雕塑的也是建筑的。

Two CPL MS25K high speed cameras（100Hz）was synchronized with an AMTI force platform（1000Hz） to collect the biomechanical parameters of taking-off spike movement by single-foot . The images were processed with Kwon motion analysis system to obtain kinematics parameters of run-up period, take-off period, and air-motion period, and the values were analyzed with Dasy Lab 6.0 software to obtain kinetics parameters changes of take-off period.

实验仪器以两台高速数位摄影机（CPL MS25K 100Hz）及一块AMTI测力板（1000Hz）同步撷取受试选手在执行单脚起跳扣球动作时之运动生物力学参数，拍摄后影像经由Kwon动作分析系统进行资料处理后，取得助跑期、起跳期及空中动作期之运动学数值，并结合DasyLab6.0分析软体，求出起跳期之动力学参数变化情形。

The slow-motion shock seems irresistible today, but in time it will give rise to an equally unstoppable and more positive slow-motion reaction.

慢动作的冲击在今天看来是不可避免的，但是他却及时地产生了同等的不能停止的和更加积极的慢动作反应的行为。

Pradeep Indulkar, a senior official at the Maharashtra state Home Ministry say 101 human were killed and 287 injured.

马哈拉施特拉邦内政部高级官员Pradeep Indulkar称，有101人在冲突中丧生，287人受伤。

Mark Frei, a senior vice president of West, says 80% of West's homeagents have some college education, compared with 30% of those whowork in office-based call centers.

Frei说，该公司80%在家办公的人员都拥有本科学位，而在公司电话中心工作的人中只有30%拥有本科学位。