Abstract: in this paper, a 2-dimension, nonlinear birth-death prey-predatormodel is established.
摘要：本文建立了一类二维非线性生灭捕食——被捕食模型。
2
What we study is a kind of prey-predatormodel with epidemic spreading in it based on agents' interactions.
我们研究的是一类基于个体相互作用的带有传染病的捕食者与被捕食者模型。
3
The pair were inspecting two 60-footers that their company would take delivery of, including a sleek, black Predatormodel costing about 20 million Hong Kong dollars ($2.6 million).