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

• There are some interesting and novel schemes to address availability, such as information dispersal.
  有一些有趣而新颖的方案可用于解决可用性，比如信息传播。
• Fog dispersal research has since followed the line.
  自那时以来消雾研究一直遵循这个方向。
• 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。
• The positive equilibrium is stable if the dispersal rate is larger than the maximum of the interval.
  当扩散率继续增大时，该系统的正平衡点又变为稳定的。
• 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。
• After the dispersal of the crowd, five people is find to is hurt.
  人群散开后，发现五人受了伤。
• 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。
• Habitat fragmentation poses a wide spread threat to biodiversity by disrupting seed production and dispersal.
  生境片断化扰乱了种子的生产和扩散机制，越来越严重地威胁着生物多样性。
• Relatively rapid and widespread migration, dispersal apparently account for this.
  比较迅速而广泛的迁移，散布就明显说明了这一点。
• This research provides indirect evidence for dispersal limitation and niche theory.
  本研究为扩散限制和生态位理论提供了间接的证据。