upstream end上游端upstreamadj.上游的；逆流而上的adv.向上游；逆流地upstream inducing sequenceUISupstream measuring section上游测流断面upstream failure indication上行故障指示upstream stimulating factorUSFupstream open reading frameuORFupstream slope ratio of dam大坝上游坡比upstream slope-protection上游护坡upstream minimum water level上游最低水位upstream retarding reservoir上游滞洪水库upstream repressing sequence上游阻抑序列