UPCA乌泊加猪upadv.向上；起来；上升；往上prep.向上adj.向上的；上行的n.上升v.上升；增加upholster a sofa in leather给长沙发装上皮革面up-lower solutions method上下解方法upgrading and system reform升格改制upwind difference algorithm迎风差分算法upfloating of asthenia yang虚阳上浮uplink scheduling algorithm上行调度算法up -and- out put option上升敲出看跌期权upgrading period of product产品更新周期Up-to-date streak virus现代线条病毒Uprising of Sicilian Slaves西西里奴隶起义