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

• 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。
• 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。
• The application of short-fiber-reinforced-SiC composites has suffered from the dispersal uniformity of short fiber all along.
  短纤维的分散均匀性一直是短纤维复合材料应用受限的主要原因。
• 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。
• 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。
• 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。
• 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。
• 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 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。
• The deformation and breakup of liquid droplet is important in fuel explosive dispersal.
  液滴变形和破碎是燃料抛撒问题的重要过程。