On the other hand, were history confined to the mechanical repetition of the past, no transformation would ever have occurred.
另一方面，假如历史是过去的机械重复，变革就不会发生。
This paper derives the relationship between the fundamental mechanical quantity in quantum mechanics and the generation element in symmetry transformation group.
从群的角度出发，导出了量子力学中的基本力学量与对称变换群中的生成元的关系式。
The mechanical and structural design improvement of the vibrating technology made by the company and the efficiency and economical benefit achieved through the transformation are described.
叙述了该公司对振动出矿工艺进行结构和机械改进设计的情况，说明了该项改造所取得的效果与经济效益。
We are experiencing an incredible transformation from the age of industrial, mechanical artifacts to an age of digital, information objects.
从工业的机械制品时代到数字的信息对象时代，我们正经历着一场令人难以置信的转变。
This paper presents the realization of a system for intelligent transformation of scanned mechanical engineers drawing data to CAD graphics data.
介绍一种扫描机械图纸点阵图像到CAD图形智能变换系统的设计与实现。
This paper is to study mechanical processing Z3040 radial drill in common use in the traditional electric control system transformation problem.
本论文是研究机械加工中常用的Z3040摇臂钻床传统电气控制系统的改造问题。
Central axle distortion and power transformation graph find wide USES in design of various mechanical components and products.
在机械零部件和各类制品中，中心轴变化图形和乘幂变换图形的应用十分广泛。
The permanent magnet actuator, as the new operation system of vacuum circuit breakers, is the key to the transformation from mechanical actuation to electronic actuation.
永磁操动机构是新一代真空断路器的操作系统，是由机械操动向电子操动转变的关键。
It is generally considered that the simple mechanical mixture of ferrite and cementite is gained in the pearlite transformation and there is prevenient phase in this process.
一般认为，珠光体转变得到铁素体和渗碳体的机械混合物，而且存在领先相。
The operation of a machine may involve the transformation of chemical, thermal, electrical , or nuclear energy into mechanical energy, or vice versa.
机械的操作包含将化学能、热能、电能或核能转换成机械能，反之亦然。
The mechanical properties and crystal transformation were investigated at room temperature.
研究了室温时共聚物的晶型转变过程及其力学性能。
Objective to investigate the relationship between phenotype transformation and biomechanical properties of detrusor smooth muscle cell (DSMC) subjected to the cyclic mechanical stretch.
目的探讨周期性张力作用下的逼尿肌细胞表型转化与其生物力学特性改变的关系。
The change of transformation stress and the modulus of elasticity during cyclic deformation was analyzed from the continuum mechanical point of view.
从唯象观点分析了循环变形期间相变应力和弹性模量的变化。
The main design tool described the transformation of mechanical transmission.
总体设计中主要阐述了机床机械传动系统的改造。
Thermal magnetoelectroelasticity is a kind of special composite materials that can achieve transformation among mechanical energy, electric energy, magnetic energy, and heat energy.
电磁弹性材料是一种能够实现机械能、电能和磁能相互转化的复合材料，它在新型的智能材料与结构等众多高新技术领域都显示出良好的应用前景。
The automotive industry has witnessed a structural shift in the form of transformation of mechanical operation into an electrical mechanism to achieve higher fuel efficiency and performance.
汽车产业，为了实现更高的效率及性能，以机械性行动转换成电力性机构的形式，经历了结构性的转换。
Automobile technology is going through a transformation from conventional mechanical manufacture technology to advanced manufacture technology.
汽车技术正经历着由传统机械制造技术向先进制造技术的转变。
This speed governor not only can solve the reliability of the transformation of power to mechanical displacement, but also can effectively cancel the transmission bar and reduce delivery link.
该调速器不仅较好地解决了电-机位移转换的可靠性问题，同时有效地取消传动杆件和减少传递环节，机构简洁。
Mechanical tests Several types of mechanical test were performed in order to investigate the effect of the stress state on the austenite transformation rate and on the resulting work hardening.
机械性能测试为了研究应力状态对于奥氏体转变速率和加工硬化结果的影响，我们进行了几种机械性能方面的试验。
The transformation process to turn the thermal deformation caused by temperature factor into the mechanical model is discussed.
对由温度因素引起的热变形转换为力学模型进行了论证。
In the paper, the mechanical relaxation behaviors in the Cu-based shape memory alloy were studied to reveal the process of the thermo-elastic martensitic transformation and to expand its applications.
本文通过研究铜基形状记忆合金的低频力学弛豫行为揭示其热弹性马氏体相变过程，从而拓展其应用领域。
In the paper, the mechanical relaxation behaviors in the Cu-based shape memory alloy were studied to reveal the process of the thermo-elastic martensitic transformation and to expand its applications.
本文通过研究铜基形状记忆合金的低频力学弛豫行为揭示其热弹性马氏体相变过程，从而拓展其应用领域。
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