上游。直接连着河源,在河流的上段,它的特点是落差大,水流急,下切力强,河谷狭,流量小,河床中经常出现急滩和瀑布。
上游(Upstream)是指数据流方向来自一个单一的用户站点到这个中心网络。例如,来自这个用户的观察,远离本地计算机到远程目的地的上游网络通信流...
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... surface course 面层,表层 upper courses 上游[段] water course 水道,水路,河道,航道,运河 ...
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我们将去那块大岩石的上游一侧。
沉重的货物可由驳船朝上游运送。
三文鱼设法游到上游产卵。
Odds are if you're an upperclassman, you've had that experience where it's 12 AM, 1 AM, 2 AM, and you're really starting to stress over the incompletion of some problems that for some course, well frankly what this mechanism allows you to do if you're already 90 percent of the way there, you can call it a night and you can put it down and you could feel good nonetheless about where you got to.
对于上游的同学可能觉得无趣,因为他已经具备了这些经验,这时应该开始关注某些课程中,问题的不完整的部分,如果你已经学会了,里面90%的知识,你可以停工,或者把这门课扔到一边。
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