Based on theremin's keyboardAbstractTerai MingQin (Theremin)is a kind of based on tube early and simple analog circuitof the electronic instrument,is made up of the former Soviet u...

本科论文3.7动搓辊轴.193.8轴的校核…193.9工作部件之间的关系233.10三角弹簧与弹簧底座243.11轴承座支架.253.12侧板4444444253.13搓板263.14棉桃破壳机电动机的选择.273.15本章小结284棉桃破壳...

关键词：手动一气动转换密封面楔式闸阀弹性闸

ABSTRACTThis paper is about the design of a speed and current double closed-loop speed controlsystem using DC motor and thyristor control technology.Firstly,it is needed to model t...

Automatic tracking smart car positioning and tracking systemdesignABSTRACTWith the coming of 5g era,the network communication technology has made greaterprogress than that of the 2...

浅析软件行业研发费用核算存在的问题及建议一一以11家软件上市公司为例摘要：随着知识经济的到来，企业竞争愈演愈烈，研发能力成为企业在竞争中取胜的重要筹码，研发投入在企业支出中占有的份额...

BJ0144-JCS-018立时加工中心主轴箱及/JCS-018立时加工中心主轴箱及/主轴箱.bakBJ0144-JCS-018立时加工中心主轴箱及/JCS-018立时加工中心主轴箱及/主轴箱.dwgBJ0144-JCS-018立时加工中心主轴箱及...

金属切削加工车间设备布局与管理(论文+DWG图纸)/俞协辉/987654321.bak金属切削加工车间设备布局与管理(论文+DWG图纸)/俞协辉/987654321.dwg金属切削加工车间设备布局与管理(论文+DWG图纸)/俞协...

北京理工大学珠海学院2020届本科生毕业设计Ground mopping robot based on Arduino-Circuit designAbstractThe cleaning robot is a product that can provide services and convenience for hu...

目录气力输送系统分析与维护…1Abstra阳Ct.l目'..2第1章气力输送系统介绍…1.1气力输送概述…31.2目前常用的气力输送系统..3第2章气力输送基本理论52.1输送物料.….52.2输送参数….62.3粉尘在输...