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AbstractWith the progress of science and technology,inverter technology has been rapiddevelopment.Inverter is a kind of application of power semiconductor devices,whichcan transfor...

Modeling and simulation of the SN-2 type 6 degree of freedomrobotic armAbstract:the 6-DOF sn-2 manipulator is one of the mechanisms commonly used andwidely used in modern robots.It...

测量PM2.5并配备北斗定位系统的单片机摘要：P2.5是空气质量的一项重要指标，它体现的是空气中能入肺的颗粒物的数量，指颗粒物的尺寸小于2.5微米。因此出现了许多对其监测的P2.5检测仪，为了提高...

AbstractThe era of remote controlled models began in 1988 with the first test flight of a remotecontrolled jet turbine engine.After decades of precipitation,now with the developmen...

AbstractAt present,the car has become an important traffic tool in people's lives.In orderto control automobile exhaust pollution,protect human survival environment,countries aroun...

本科论文3.3.2气缸的直径..183.3.3缸筒壁厚的设计...203.4轴承选型和寿命计算..·213.4.1轴承类型.....213.4.2轴承选择的基本原则.....22结论.…24参考文献26致谢28

多功能小麦播种机的设计摘要作为给世界上40%的人提供粮食的农作物一小麦。它能够被加工成不同口味、不同类型的食物，并且它还被评为全世界上重要的粮食之一。但是早期小麦的播种时期是一个是一...

Analysis of the Principle of VOR NavigationABSTRACTNowadaysw,with the development of aeronautical radio navigation technology,manyadvanced navigation equipments are applied in the ...