In an ecological system, predator-prey model is well studied.
在生态系统中，捕食被捕食模型具有很好研究价值。
The predator-prey model whose predator's density interference term's coefficient is related with prey is investigated.
研究了一类捕食-食饵模型，其中捕食者的密度干扰项的系数与食饵密度有关。
Holling I predator-prey model with mutual interference and impulsive effect concerning integrated pest management is also studied.
第五章研究了可更新生物资源生物经济管理的脉冲捕获模型。
In this paper, the method of Hidden Periodic Model was used to study the parameters estimation in two species predator-prey model.
研究了一类具有生物和化学控制（周期释放天敌和喷洒杀虫剂）的两食饵-两捕食者模型的动力学性质。
In chapter 2, the local bifurcation and stability of positive steady-state solutins for a class of predator-prey model are investigated.
第二章对一类捕食-食饵模型解的分歧和稳定性进行了讨论。
A three-species ratio-dependent predator-prey model with time delays is investigated, conditions are given for persistence of the system.
研究了一类具有时滞的基于比率型三种群捕食者-食饵系统，给出了系统持续生存的条件。
The existence of positive solutions of the steady-state system is studied for a kind of predator-prey model under the third boundary conditions.
研究了一类捕食者-食饵模型的平衡态系统在第三边界条件下正解的存在性。
We obtain the following main results. 1. A strengthen type predator-prey model of predator with disease and standard incidence is formulated and analyzed.
主要得到以下结论：1。建立了一类疾病在捕食者中传播且具有标准传染率的强身型捕食。食饵模型。
This paper studied the effect of prey refuges on the stage-structured predator-prey model with two life stages-immature and mature, and with a mature prey using refuges.
构造了一个具有阶段结构的捕食—食饵模型，并研究了庇护所效应对于该系统平衡点的稳定性、平衡密度及其种群长期续存的影响。
It included two parts. In first part a predator-prey model was proposed. Two stable states were obtained according to eclolgical data of panda and bawboo in area of Wolong Reserve.
包括两大部分：第一部分中，假设为捕食被捕食模型，根据在卧龙保护区收集的数据得到两个稳定态；
A system of retarted functional differential equations as a predator-prey model with stage structure and dispersion is discussed. Conditions for global stability of the system are given.
讨论了一类带有扩散和具有阶段结构与时滞的两种群捕食系统，分析了该系统的非负不变性、边界平衡点性质及全局渐近稳定性。
In the second part, a predator-prey model of ordinary differential with one-way diffusion is studied considering the monsoon, river flows, other natural conditions and living habits as background.
第二章以季风、河流流向等自然条件和生物生活习性为背景，建立食饵单向扩散的捕食-被捕食系统的常微分模型。
Researchers at Rothamsted Research redesigned the model to allow for elasticity and flexibility in the spider's dragline, its most sturdy line of silk used for moving about and snagging prey.
罗瑟斯塔研究所的研究人员重新设计了蜘蛛运动模式，让最强韧的用来四处活动和阻挡猎物的牵引丝具有弹性和柔韧性。
Inference engines might then "mash" these separate model instances and reason that cheetahs might prey on gazelles but not penguins.
假设我们将这些单独的模型实例集成在一起，就可以推论说印度豹可能会以瞪羚为食，但却不会吃企鹅。
So build a model at random and, unless it's really simple (a one-prey-one-resource population model) it won't work.
所以，除非它确实是简单的(一个猎物一个资源种群模型)否则随机建立模型是行不通的。
What we study is a kind of prey-predator model 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。
In this paper, we present and analyze a simple model for a chemostat with predator, prey and periodically pulsed input and washout substrate.
在这篇文章中，我们提出并分析了一个具有捕食者，食饵和既有周期脉冲输入又有周期脉冲输出营养液的恒化器模型。
In this paper, the population model which the velocity of the preying rate of the predator population changes when quantities of the prey population increase is concerned.
本文研究一类随着食物量的增加捕食者捕食速度的变化率起变化的种群模型。
The paper gave the way to estimate parameter of the prey population dynamical model under natural enemy.
建立天敌胁迫下食饵种群动态模型的参数估计方法。
An annular model for chemostat was depicted by a group of ODE(ordinary differential equation) to imitate the ecosystem which included competition and predator-prey relations in nature.
为模拟自然界中既包含竞争关系又包含捕食-被捕食关系的生态系统，建立用常微分方程组表示的环状模型。
The forecasting model of the prey velocity.
采食速率预测模型。
Abstract: in this paper, a 2-dimension, nonlinear birth-death prey-predator model 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。
To prove it, the researchers designed a computer model of how cicadas interact with their predators. In the simulation, predator and prey follow randomly assigned life-cycle durations.
为了证明这一点，研究者们设计了一个关于蝉与其天敌之间互动关系的计算机模型。
To prove it, the researchers designed a computer model of how cicadas interact with their predators. In the simulation, predator and prey follow randomly assigned life-cycle durations.
为了证明这一点，研究者们设计了一个关于蝉与其天敌之间互动关系的计算机模型。
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