学科分类
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2 个结果
  • 简介:TheupperYangtzeupstreamofYichangwithadrainageareaof1,000,000km~2bringsanaverageannualrunofftoYichangby450km~3ofriverwater,thedrasticvariationandunevendistributionofwhichoftencausesseverefloodsforfer-tilealluvialplainsofmiddleandlowerYang-

  • 标签: Yangtze floods reservoir UPSTREAM DRASTIC river
  • 简介:Engineering-orientedconstraintofharnesstechnologyhasmuchinformationandprojectinformationpresentsprogressivechangesalongwiththedesign.Therefore,howtohandleconflictresolutionquicklyisaproblemtobesolved.Processmodelofconflictdetectionisputforwardaccordingtocharacteristicsofharnesstechnologydesignengineering-orientedconstraint,andthentwoproblemsofhowtoconductconflictpositioningandjudgmentofconstraintrulesareintroducedinthispaper.Afterwardsinthispaper,constraintinformationdirectedacyclicgraphisestablishedbyclassifiedprojectconstraintinformationtosolvetheconflictpositioningproblem;solutionofconstraintsatisfactionproblemisappliedtorealizejudgmentproblemofconstraintrules.Finally,exampleisusedtoanalyzethemethodinthispapertofurtherverifythecorrectnessandeffectivenessofthismethod.

  • 标签: 技术信息 工程设计 协同设计 冲突检测 线束 约束规则