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back flow

  • 逆流:指流体以相反方向流动的现象。

双语例句

  1. Capacitance vessels constrict, increasing the back flow of venous blood.
    容量血管收缩,静脉回流量增加。
  2. Using baicalin as the standard sample, the flavone substances in pollen of Yunnan pine were determined through methyl alcohol back flow extraction and ultraviolet spectrophotometer.
    以黄芩甙为标样,对云南松花粉中黄酮类化合物采用甲醇回流提取,用紫外分光光度法进行测定。
  3. If two flying insect populations took up residence in separate nearby valleys, chances are that individuals from each population would fly back and forth, continuing gene flow.
    如果有两个飞行昆虫种群居住在相距不远的不同山谷中,那么任一种群中的个体都有可能来回飞行,从而使基因流动继续。

相关短语

  • back flow roll
    背辊;小挤水辊
  • back-flow preventer
    防回流装置
  • filtrate passive back flow
    原尿回漏
  • back flow condenser
    回龄凝器
  • back flow pressure
    背压

同义词

[流]回流;逆流

英英释义

  • n.a flow that returns toward its source