查询词典 motion study

While carrying out simulative program design for hobbing machining,the most difficult point is the description and modelling on the relationship between the cutter and gear blank both in space and in motion,especially the modelling of motion relation between cutter and gear blank in case there exists factors of error.

在进行滚齿的切削仿真程序设计中，其中最大的难点是对刀具和轮坯的空间关系和运动关系的描述和建模，尤其是存在误差因素时对刀具和轮坯之间运动关系的建模。

Moreover, for the treelike system with prescribed motion and the non-treelike system with closed-loop, the generalized coordinates aren't independent completely. Only the dynamical equations of the system and the constrain equations resulting from the prescribed motion and the closed-loop are combined to form DAEs, it can be solved.

另外，对于有指定运动的树系统或带有闭环的非树系统，系统的广义坐标是不完全独立的，系统的动力学方程要与指定运动或系统切断所附加的约束方程一起组成微分--代数方程组才能求解。

The two kinds of symmetries in holonomic and non-holonom-ic mechanical systems,i.e.symmetries of differential equations of motion(ab-breviated as SDEM)and symmetries of Noether-type,and interrela-tions among all kinds of symmetries are investigated.The necessary and suffi-cient conditions of SNT to be SDEM are found out.It is pointed out thatSDEM have distinct geometric properties which are equivalent to the geodesiccharacteristic of differential equations of motion and geodesic deviation.

文中研究了完整与非完整力学系统的两类对称性，即运动微分方程的对称性和Noether型对称性，以及各种对称性之间的相互关系，确定了Noether型对称性为运动微分方程对称性的充分必要条件，并指出运动微分方程的对称性具有明确的几何性质，即它等价于运动微分方程的测地性质以及测地偏离性质。

Physical analysis indicates that there is geostrophic balance in mesoscale atmospheric motion similar with synoptic atmospheric motion.

对中尺度大气运动的物理分析表明，中尺度大气运动中也存在与大尺度运动的地转平衡关系式完全相似地平衡关系。

In this paper, the criteria and results for selecting the level of no motion are determined by comparing and analyzing the calculated geostrophic flow results at PN section in the East China Sea Kuroshio mainstream area corresponding to different selections of level of no motion and taking the main characteristic factors of the East China Sea Kuroshio into consideration.

通过对东海黑潮主流段PN断面上选取不同零流面时地转流计算结果的比较分析，考虑了东海黑潮的主要特征因子，确定了计算零流面的选取标准和选择结果。

It is shown from the analysis results that in order to meet the requirement that the calculated geostrophic flow results can reflect the practical current profile structure, it is practicable to select the 700 m level as level of no motion in case of water depth greater than 700 m and to select the bottom boundary as level of no motion in calculating the geostrophic flow.

结果表明，为使计算结果可以反映实际的流速剖面结构，当水深大于700 m和小于700 m时可分别选取700 m层和底边界作为地转流动力计算零流面。

In the motion analysis, the thesis studies the motion mechanism and energy efficiency in gliding.

在运动过程分析中，论文研究了滑翔机的运动机理和航行效率。

In the gravitational field of the earth, negative energy corresponds to bounded motion and positive energy to unbounded motion

在地球的重力场中，负的能量相应于有界限运动，正的能量相应于无界限运动。

Secondly, capture the running motion data by Vicon MX system. Process the motion data by grogram method to form the velocity curve of joint angle and angular by Matlab software.

其次，利用Vicon MX系统进行运动学捕捉实验，通过Matlab软件对所捕捉的实验数据进行编程处理获得相应的关节角度、角速度变化曲线。

The flexibility and accuracy of the slide rest could be guaranteed by the grounder guidng system of plane differential motion.It is designed as an accessory of a board-cutting saw or it could be used in any rectilinear motion machine .

滚球差动水平导引系统，在加工工件时可保证推台的灵活性和精确度，其设计目的是为推台锯配套使用，亦可装配到其他用于直线运动的机械上使用。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我