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upstream中文是什么意思

音标:[ 'ʌp'stri:m ]  发音:  
用"upstream"造句"upstream"怎么读"upstream" in a sentence"upstream"的同义词

中文翻译手机手机版

  • adv.
    向上游,溯流。
    adj.
    1.溯流而上的。
    2.(石油工业等)上游的,和石油的勘探、开采及输送到起运港口有关的〔石油工业此后的提炼等过程则称为下游(downstream)产业〕。

例句与用法

  • The falls upstream are full of salmon .
    该瀑布上流有许多大麻哈鱼。
  • Seawater invades for a distance of about 50 miles upstream .
    海水浸入上游远至50英里。
  • The fish were madly pushing their way upstream to spawn .
    鱼群为产卵而疯狂地向上游挤进。
  • The explorers paddled their canoe cautiously upstream .
    探险者们谨慎地把独木舟向上游划去。
  • These constitute the upstream and downstream faces of the porous domain .
    这些是由多孔区的上游面和下游面组成。
  • Straightening vanes are effective in reducing the upstream pipe-length requirement .
    矫直的叶片对于减少上游直管的要求长度是有效的。
  • When the downstream head is greater than about 3/5 of the upstream head, flow is submerged .
    当下游压头大于上游压头约35时,流量是潜流。
  • The salt water, being more dense, flows upstream under the fresh water which is flowing downstream .
    淡水在上层向下流动,比重更大的盐水在下层逆流向上。
  • It was his father's shell, the oars going in a fierce, even rhythm, biting the water, going upstream .
    那是他父亲的小船,划桨的节奏匀称有力,吃水很深,正在往上游划。
  • As the velocity in the nozzle throat is sonic, the effect must be transmitted upstream through the boundary layer .
    当喷管喉部达到音速时,这种影响一定是通过附面层向上传播而引起的。
  • 更多例句:  1  2  3  4  5
用"upstream"造句  

英文解释

  • in the direction against a stream''s current

  • toward the source or against the current
    同义词:upriver, upriver,

  • toward the source or against the current
    同义词:upriver, upriver,

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