dispersal

英 [dɪˈspɜːsl]

美 [dɪˈspɜːrsl]

n. 分散; 疏散; 散布

复数：dispersals　

TOEFL IELTS

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 Application of Cellular Automata to study Theoretically Annual Plant Population Dispersal
应用细胞自动机对一年生植物种群扩散进行理论研究
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
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 usual vehicles of dispersal are wind ( anemochory), water ( hydrochory).
通常传播的媒介物是风（风播），水（水播）。
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。
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。
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。
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。
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；
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。