binomial population

基本解釋

Then a probability model for population number with 2 pebrine moths in M pebrine population is provided and the model is binomial distribution B(M, 0. 07).
然后，提出了M個(gè)有毒集團(tuán)中含有二只病蛾的集團(tuán)數(shù)的概率模型，其模型為二項(xiàng)分布B（M，0．07）；
The results are as follows: The distribution pattern of larvae is aggregative ( negative binomial distribution) . The aggregation dose not change with the densities of population of leaf miner.
結(jié)果表明：煙草潛葉蛾幼蟲在田間呈聚集分布，聚集強(qiáng)度不因種群密度的改變而改變。