upstreamadj.上游的;逆流而上的adv.向上游;逆流地
upstream and downstream上游和下游
upstream syntaxis noise上行汇聚噪声
upstream binding factorUBF
upstream region of gene基因上游
upstream of the Yangtze长江上游
upstream control region上游控制区
upstream activation site上游激活位点
upstream radius of crest坝顶上游面曲率半径
upstream control elementUCE
upstream weighted scheme迎风加权格式