诚信宣言我，王冬霞，郑重宣布：除了参考文献所标明引用的资料和内容之外，本论文中不包含有任何已经被其他高等教育机构所接受的学位或学历论文资料，也不包含有其他任何人已经正式出版的资料内...

目次1.绪论.………11.1研究背景及意义1.2研究现状......11.3研究的内容......22.工程变更的相关理论.....22.1工程变更的概念.……22.2工程变更产生的原因..2.3工程变更的分类....…52.4工程变更...

北京理工大学珠海学院2020届本科生毕业设计Design of picking device of mechanical arm based on single chipmicrocomputerAbstractIn short,machine vision uses the camera to take the actu...

Design of structure and appearance of intelligent material robotmanipulatorAbstractIn the industrial era of rapid development,in order to reach the goal of improvingproduction effi...

摘要目的：探讨四君子汤加减治疗慢性心力衰竭气虚痰瘀证的临床疗效。方法：选取2017年1月至2017年12月中医药大学附属医院收治的新诊断慢性心力衰竭气虚痰瘀证患者120例作为研究对象，按照随机数...

Study on controlling supply chain logistics cost ofGuangzhou HEMA fresh food store[Abstract]With the improvement of consumption level of urban and ruralresidents,people's demand fo...

AbstractWith the development of electronic information technology and the increasingpopularity of the Internet,frequency measurement has irreplaceable authorship in all areasof pro...

AbstractAbstractQPQ salt bath compound processing technology (also known as QPQ tech-nology),in recent years as a new type of surface strengthening technology.The technology relati...

目录引言…1问题提出…2评选方法…3基于层次分析法评选三好学生…3.1建立评选指标体系…3.2字母意义…3.3构建模型**43.3.1构造判断矩阵…3.3.2计算各层指标单排序…3.3.3各要素所占比例及权重系...

北京联合大学毕业论文AbstractIn recent years,with the service trade gradually becoming one of the importantindicators to measure a country's international status,tourism service ind...