ABSTRACTV-GIS (Virtual Geographic Information System)is the result of combiningVirtual Reality multi-dimension GIS,a new domain of GIS.From the traditionaltwo-dimension GIS to mult...

哈尔滨工业大学工学博士学位论文空间误差，实验验证了补偿的有效性。依据辨识得到的伺服参数，调整系统动态适配时间，机床圆轨迹误差降低了80%。开展了热漂移误差补偿装置在西门子数控系统中的...

本科论文4实物模型设计174.1实物模型的选型和安装184.2项目调试.19结论21参考文献，22附录梯形图.23致谢28

Development of rubber material and its application in aircraftABSTRACTThe utilization value of rubber material is regarded as a kind of primitive 'Special substance'to be used in a...

液动机械手回转臂结构设计ABSTRACT:At present,with the development of the depth and breadth of themanipulator and the improvement of the intelligence level of the robot,themanipulato...

1绪论些企业的注册资本指标数值作为辅助变量，因辅助变量分布未知，采用几何法计算分层指标数值，根据该数值对总体进行分层，建立了动态总体连续性分层抽样的抽样调查方案，结合上述所研究理论...

AbstractThis article combines the basic situation of the water supply system in somecities in our country,and proposes a variable frequency and constant pressurewater supply system...

AbstractRubber cutting machine is a commonly used mechanical devices,its mainfunction is to help the majority of users cut rubber quickly and the efficiency is tentimes of labor.Th...

江苏工程职业技术学院毕业设计基于PLC控制的茶饮料自动灌装线B阀关闭，启动E阀将水抽到三号溶液，当水抽到35%后，传感器SQ5发出信号，E阀关闭，G阀启动将水抽到反应器溶液中，当水抽完后，传感...

目录引言..31.背景和意义….31.1r阳sberrypi平台概述.31.2履带式机器人手臂智能车系统的发展及现状...41.3履带式机械臂智能小车训练控制系统的意义52.履带式机械臂智能小车硬件设计.52.1履带式...