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

• 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。
• Apart from yield, domestication has altered many characteristics of crop plants, including loss of dormancy from the seed and loss of dispersal mechanisms.
  除产量提高外，驯化还改变了农作物的许多性状，包括失去种子休眠期和传播机制。
• 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。
• Dispersal, concentration and shifting of position are the three ways of flexibly employing forces in guerrilla warfare.
  分散、集中和变换，是游击战争灵活使用兵力的三个方法。
• 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。
• Plants have different mechanisms of dispersal for their spores.
  植物传播孢子的方法各不相同。
• 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。
• 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 usual vehicles of dispersal are wind ( anemochory), water ( hydrochory).
  通常传播的媒介物是风（风播），水（水播）。