ABSTRACTMost of the drone operations were put into use after World War II.With theirown advantages,they gradually became the absolute main force of air combat,and ledthe developmen...

office-software designAbstractWith the continuous development and deepening of industry,it has experienced industryOne To industry Three Change.From the mechanical equipment manufa...

AbstractIn this paper,the design scheme of Nanning 110 kV substation is presented.Power network is the carrier of power transmission.Substation is the most importantpart of power n...

自动上料机机架部件设计及性能试验/101-01前右后左立柱.dwg自动上料机机架部件设计及性能试验/101-04底板.dwg自动上料机机架部件设计及性能试验/101-07上垫块.dwg自动上料机机架部件设计及性能...

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ABSTRACTThis paper is to design a 1.5kW,1500r/min,220V,efficiency of 78%self-ventilatedcooling,shunt dc motor.The diameter and length of armature are preliminarilydetermined accord...

哈尔滨工业大学华德应用技术学院毕业设计（论文）AbstractWith the rapid development of the economy,people's existing material needs areconstantly improving,and the quality of living s...

基于电光效应的自由空间激光通信系统设计摘要随着技术的进步和信息社会的发展，自由空间激光通信系统(S0)应用越来越广泛，所以研究如何通过电光调制来增强FS0通信的质量具有重要意义。本文讨论...

本科论文3.5.4轴的疲劳强度173.6本章小结204切割主轴传动轴部分设计214.1切割主轴传动轴所需标准214.1.1切割主轴的刚度214.1.2切割主轴的耐磨性224.1.3切割主轴的旋转精度224.1.4切割主轴的抗震...

On the development of aircraft maintenance thoughtABSTRACTWith the increasing demand of human society and the continuous development of scienceand technology,from the initial manne...