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

• 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。
• 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 means of dispersal are wind, water and animals.
  传播的媒介有风、水和动物。
• 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。
• 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。
• 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；
• 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。
• 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。
• This, with all available information on topography, primary and secondary mineral dispersal, helps to locate the mineralization.
  这个和所有关于地形、原生和次生矿物分布的信息有助于圈定矿化。