Many victims are from the hilly terrain around Chongqing, the city located upstream on the western end of the 640-kilometer-long reservoir created by the Three Gorges Dam.

很多受灾者来自重庆周边的山区。重庆位于640公里长三峡水库的西侧上游。

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A supply chain is a group of partners who collectively convert a basic commodity (upstream) into a finished product (downstream) that is valued by end-customers, and who manage returns at each stage.

供应链是一群合作伙伴，它们共同把基本商品(上游)转化为由最终客户评价的最终产品(下游)并且它们对各阶段的利润进行管理。

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Lastly, studies transportation characteristic of bed load sediment of upstream end before vegetation dam. Preliminarily clear sand-binding mechanism of vegetation "flexible dam".

最后对植物坝前上游段推移质泥沙的输移特性进行了研究，初步探明了植物“柔性坝”的固沙机理。

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Adobe gets its revenues at the upstream end--from the programmers and graphic designers who create the content that plays on Flash players.

FORBES: Magazine Article

First of all, it ignores the fact that the value chain is connected to the environment, that resources are being extracted at the upstream end and that consumers are dumping their used products back into the environment at the downstream end.

FORBES: Sustainable Consumption Rising on the Business Agenda