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

• 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。
• 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 internationalism if film distribution has always guaranteed the rapid dispersal of any significant discovery.
  电影发行的国际性一直在保证任何重大的发现都能得到迅速的传播。
• Police horses and gas were used in the dispersal of the crowds.
  驱散人群用了骑警和瓦斯。
• 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）。
• 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；
• Animals may serve as a vehicle for viral transmission. The means of dispersal are wind, water and animals.
  动物可能成为病毒传播的媒介。传播的媒介有风、水和动物。
• 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。
• 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。
• 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。