简介:硕泰克SL-75FRN3主板是一款nForce2Ultra400主板支持双通道DDR400而且稳定支持200外频.主板的北挢采用的是斜置45度角的设计,加大了和内存引脚的连线面积,减少了引线间的干扰。BIOS中提供了5-22倍频的调节设计由于nForce2系列的主板把
简介:作为一款合成软件,combustion天生就是为CG制作“锦上添花”的;而作为与3dsmax无缝衔接的后期合成软件,紧随3dsmax6推出的combustion3,无疑也是Discreet公司“锦上添花”的市场战略的体现。
简介:Engineeringapplicationdomainsneeddatabasemanagementsystemstosupplythemwithagoodmeansofmodeling,ahighdataaccessefficiencyandalanguageinterfacewithstrongfunctionality.Thispaperpresentsasemantichypergraphmodelbasedonrelations,inordertoexpressmany-to-manyrelationsamongobjectsbelongingtodifferentsemanticclassesinengineeringapplications.Amanagementmechanismexpressedbythemodelandthebasicdataofengineeringdatabasesaremanagedinmainmemory.Especially,differentobjectsarelinkedbydifferentkindsofsemanticsdefinedbyusers,thereforethetableswap,therecordswapandsomeunnecessaryexaminationsarreducedandtheaccessefficiencyoftheengineeringdataisincreased.Clanguageinterfacethatincludessomegenericandspecialfunctionalityisproposedforcloserconnectionwithapplicationprograms.