This article expounds again whether the mechanical energy is in the uniform motion in a straight line, as the mechanical energy is conservative when the system is in the frame of earth reference.
本文针对系统相对于地球参照系机械能守恒时，在相对于地面作匀速直线运动的参照系中机械能是否依然守恒的问题进行了重新论证。
We use the screw theory to establish the basic functions of machine kinematics model. And on this basis, completing the motion module modeling of machine mechanical system.
利用旋量理论建立机床基本功能模块的运动学表达式，并在此基础上完成机床机械系统的运动功能模块建模；
The taking-off process in springboard diving motion is analyzed in this paper on the basis of mechanical model of diver/springboard system.
基于人-板系统的数学模型分析跳板跳水起跳阶段的各个过程。
It is a kind of connection, in a variety of different linear reciprocating motion of the mechanical system, can play the role of transmission and support.
它是一种连接件，在各种不同的有直线往复的运动的机械的系统中，能起到传动和支撑的作用。
The results show that workpiece turnover is achieved well by using hydraulic transmission system controlling the motion of mechanical device and combining PLC and computer control.
结果表明，利用液压传动系统控制机械装置的运动，并与可编程控制器和计算机控制等结合，可以很好地实现工件的翻转。
On the form invariance of differential equations of motion for generalized mechanical system in terms of quasi-coordinates;
研究完整力学系统准坐标表示的运动微分方程在群的无限小变换下的形式不变性 。
For many of the mechanical system of linear reciprocating motion of the supporting role, or transmission shaft support and cooperation, and linear bearing.
用于各种有直线往复运动的机械系统中，起支撑或传动的作用，常与轴支撑、直线轴承配合使用。
This dissertation thoroughly explains the mechanical design of the platform, including the energy system, three-dimensional motion system, feeder system and elevating system.
论文详细叙述了机械系统平台的机构设计。机械系统主要包括能量系统、三坐标运动系统、铺粉系统和升降系统。
Moving architecture is a new kind one. Its mechanical and electric system takes an very important role in motion performance and system safety.
动态建筑是一种新型的运动建筑形式，其机电系统对运动的性能和系统的安全性起着至关重要的作用。
Secondly, in order to alter the obsolete synchronization motion control mode by mechanical axis driving, the synchronization motion control system of electric drive mode has been constructed.
其次，为了改变机械轴传动的同步运行控制落后方式，设计了电气传动的同步运行控制系统。
Experience in motion control and necessary knowledge of interface between mechanical system and control system.
具有机器及器件社会及经验优先。-掌握机械系统及控制系统相关原理知识。
Experience in motion control and necessary knowledge of interface between mechanical system and control system.
具有机器及器件社会及经验优先。-掌握机械系统及控制系统相关原理知识。
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