dispersal

英 [dɪˈspɜːsl]

美 [dɪˈspɜːrsl]

n.  分散; 疏散; 散布

复数：dispersals　

TOEFLIELTS

BNC.12682 / COCA.15305

牛津词典

noun

• 分散；疏散；散布
  the process of sending sb/sth in different directions; the process of spreading sth over a wide area
  1. police trained in crowd dispersal
     在疏散人群方面受过训练的警察
  2. the dispersal of seeds
     种子的播撒

柯林斯词典

• N-UNCOUNT 散开;散布;传播
  Dispersalis the spreading of things over a wide area.
  1. Plants have different mechanisms of dispersal for their spores.
     植物传播孢子的方法各不相同。
• N-UNCOUNT 疏散;分散
  Thedispersal ofa crowd involves splitting it up and making the people leave in different directions.
  1. The police ordered the dispersal of the crowds gathered round the building.
     警方命令聚集在建筑物四周的人群散开。

英英释义

noun

• the act of dispersing or diffusing something
  1. the dispersion of the troops
  2. the diffusion of knowledge
  Synonym:dispersiondisseminationdiffusion

双语例句

• Police horses and gas were used in the dispersal of the crowds.
  驱散人群用了骑警和瓦斯。
• Prolonged heat can, moreover, enhance production of smog and the dispersal of allergens.
  持续的高温也提高了烟雾的产量和过敏原的散布。
• The usual vehicles of dispersal are wind ( anemochory), water ( hydrochory).
  通常传播的媒介物是风（风播），水（水播）。
• Due to the dispersal ability and the death of individuals, the neighbour could be the same species or not.
  由于散布和死亡的原因，邻体的组成可以是同一物种，也可以是不同物种。
• The means of dispersal are wind, water and animals.
  传播的媒介有风、水和动物。
• Study on the Estimation Method of Source Strength in Pollen Dispersal
  水稻花粉扩散源强估算方法的初步研究
• The pollen activity of hickory in pollen dispersal period and different storage conditions was determinated using FCR ( fluorochrome reaction).
  利用FCR方法对不同散粉期和不同贮藏条件下山核桃花粉生活力进行了测定。
• Entomologists have tended to underestimate the importance of colonization through dispersal.
  昆虫学家倾向于低估在扩散过程中定居现象的重要性。
• These guidelines are intended to prevent the inadvertent exposure and dispersal of recombinant molecules;
  这些指导方针的目的在于避免无意透漏和散布基因重组分子；
• It Is a Measure of the Dispersal of Energy.
  而是（自由能）能量分散开（变小）的一个量度。