机电的

Introducing the fundamental knowledge of modern differential geometry, we present the geometric descriptions of Lie symmetry of the system.

将现代微分几何知识引入机电动力系统，给出该系统Lie对称性的几何描述。

Is the production of electrical and mechanical machinery, electrical, motor-driven products, manufacturing companies.

东莞市翔业机电有限公司是生产机械、电气、电动机为主导产品的专业制造公司。

Was established in February 1998, is a specialized in imports, domestic sales of diesel generating sets, spare parts supply, maintenance and diesel generator room noise reduction project for the integration of professional firms.

武汉宏源机电设备有限公司成立于1998年2月，是一家专门从事进口、国产柴油发电机组销售、零配件供应、柴油发电机组维修以及机房降噪工程为一体的专业公司。

Is a professional operation of the wholly-owned CNC machine tools, the main agent of Taiwan well-known brands,"Friend," Machining Center, CNC lathes, Taiwan Qing hung wire EDM, such as walking mold manufacturing equipment, as well as laser cutting machine, CNC folding bed, CNC punching, CNC press bed surrounding sheet metal processing equipment.

深圳市一统数控机电设备实业有限公司是一家专业经营数控机床的独资公司，主要代理台湾知名品牌"友嘉"加工中心机、CNC车床，台湾庆鸿慢走丝线切割机等模具制造设备，以及激光切割机、数控折床、数控冲床、数控压床等钣金加工周边设备。

Therefore,the theory and method of complex mechatronical product design driven by performance are validated.

验证了性能驱动复杂机电产品设计理论和方法的可行性与实用性。

The mechanical and electrical industry is an important prop industry in China.

机电产业是我国重要的支柱产业。

The underactuated mechanisms are widely used in the design and development of prosthetic hands.

随着生物机电一体化系统技术的发展，肌电控制仿人假肢手得到广泛研究。

Hard disk is a mechanical and electrical equipment, motor-driven disc through high-speed rotation, because of read-write head back and forth arm movement, so the hard disk mechanical components will be affected by inertia.

硬盘是机电设备，盘片通过马达驱动高速旋转，磁头臂因读写来回运动，因此硬盘会受机械部件惯性的影响。

This equipment uses the mesa structure, has the controller, the sensor (electro-optical type, inductance type, color, magnetic induction type), the revolving encoder, the electric motor, the conveyor belt, the air cylinder, the solenoid valve, the direct-current power supply, the air filtration reductor, the programming practice kneading board and so on, the constitution model integration of machinery teaching training installment.

该装置采用台式结构，配有控制器、传感器（光电式、电感式、颜色、磁感应式）、旋转编码器、电动机、输送带、气缸、电磁阀、直流电源、空气过滤减压器、编程练习面板等，构成典型的机电一体化教学训练装置。

Use mechanical and electrical equipment such as drilling machines, whole-inspecting machine, classificatng machine and so on to record the second-hand document, and use electrical brush as the information retreval system to retrievae the components.

用诸如打孔机、验孔机、分类机等机电设备记录二次文献，用电刷作为检索元件的信息检索系统。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。