虚拟GIS下可视化建模技术研究
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...
液压升降工作台的设计与制作
毕业设计(论文)网:http:/www.56doc.com(3)回路液压回路是完成某种特定功能、由元件构成的典型环节。(4)系统液压系统是由回路组成的、用以控制驱动液压机械完成所需工作的整个传动系统。2.3液...
液压高频换向阀的设计
Design of hydraulic high frequency directional valveAbstractLinear friction welding technology is a relatively advanced solid-phaseconnection technology at home and abroad.One of t...
液压电梯与立体车库的组合设计
AbstractComprehensive literatures at home and abroad,to the present situation ofhydraulic elevator and benefit the garage and application prospect were brieflysummarized,and based ...
液压传动自行车动力机构设计
The design of hydraulic drive bicycle power mechanismAbstractIn recent years,the concept of shared bicycles has been very hot.In terms of marketdemand,shared bicycles have unlimite...
液压传动自行车驱动机构
AbstractHydraulic transmission is a kind of transmission mode which uses liquid as workingmedium to carry out energy conversion,transmission and control.At present,it has beenwidel...