Predator prey models play a crucial role in bioeconomics, that is the management of renewable resources.
在生物经济即可更新资源管理中，捕食系统起着非常重要的作用。
To solve the problem, a fuzzy clustering based on predator prey PSO algorithm is presented, which is using density function to initialize cluster centre.
为解决此问题，提出一种基于捕食-被捕食的粒子群优化模糊聚类算法且聚类中心采用密度函数初始化。
Prey species, like young deer or goats, for example, typically play by performing sudden flight movements and turns, whereas predator species, such as cats, practice stalking, pouncing, and biting.
比如说，像小鹿或者山羊这种被捕食的种群，它们的代表动作就是突然快速逃跑的动作和突然转弯；相反的，猫科动物之类的捕食种群会练习潜行追踪、猛扑和撕咬等动作。
At night, the pit organs allow snakes to "see" an image of their predator or prey-- as an infrared camera does-- giving them a unique extra sense.
在夜晚，窝器能让蛇类“看到”捕食者或者猎物的图像——正如红外摄影机一样——赋予他们一个独特的额外感官。
When experimental populations are set up under simple laboratory conditions, the predator often exterminates its prey and then becomes extinct itself, having nothing left to eat.
当实验种群在简单的实验室条件下建立起来时，捕食者往往会消灭它的猎物，然后自己也走向灭绝，因为没有东西可以吃。
Low prey population levels then provide inadequate food for the predators, causing the predator population to decrease.
较少的猎物数量为捕食者提供了不足的食物，导致捕食者数量减少。
The elements of intelligence and consciousness come together marvelously to produce different styles in predator and prey.
智慧和意识的元素奇妙地结合在一起，在捕食者和猎物身上产生了不同的风格。
Parasitism is a kind of predator-prey relationship in which one organism, the parasite, derives its food at the expense of its symbiotic associate, the host.
寄生是一种捕食者与被捕食者之间的关系，寄生者利用共生伙伴——宿主来获取食物。
In this situation, the predator and prey population may continue in this cyclical pattern for some time.
在这种情况下，捕食者和被捕食者可能会在一段时间内继续这种循环模式。
This unexpected display of color startles or confuses the predator and provides the would-be prey with an opportunity to escape.
这种意想不到的颜色表现会吓到捕食者或使其迷惑，并为潜在的猎物提供逃跑的机会。
And if a predator can move on to another species that is easier to find when a prey species becomes rare, the switch allows the original prey to recover.
当一种猎物变得稀有时，如果捕猎者能够转向其他更容易找到的物种，这种转变可以让原来的猎物数量得到恢复。
When a predator always eats huge numbers of a single prey, the two species are strongly linked.
一种掠食动物经常大量捕食单单一种猎物时，这两个物种是紧密联系的。
Once again proving there are two user classes on eBay: predator and prey.
再次证明有两个易趣用户类：捕食者和猎物。
Biologists speculate that the mostly likely cause was a shift in Pacific Ocean currents, but food availability, changing river conditions and predator-prey relationships could be affecting the fish.
生物学家推测，最有可能的成因是太平洋洋流的变化，不过食物的取得、河流环境的改变、生物掠夺关系等，也都可能对鲑鱼造成影响。
He suggests that these observations of bugs predating reptiles call into question previously held opinions about predator-prey dynamics in freshwater habitats.
他认为观察到的这些昆虫捕食爬行动物的现象引发了对之前所持对淡水生境中捕食动态观点的疑问。
Now a study of broken teeth reveals that artistic licence has, at least for predator and prey, been rather accurate.
现在，一项对断裂牙齿的研究显示，艺术的想象还是很符合事实的，至少在食肉动物和猎物较量这块儿是这样。
But he thinks other pitcher plant processes - predator-prey interactions, mutually beneficial species, the effects of disturbance - are found across ecosystems.
不过，他认为，可以确定猪笼草的其它进程——捕食者-猎物互动、物种互利、骚动的影响——超越了生态系统。
Banjo and Matilda, possibly predator and prey, were found buried together.
班卓和玛蒂尔达被发现埋在一起，两者很可能分别是捕食者及其猎物。
At night, the pit organs allow snakes to 'see' an image of their predator or prey - as an infrared camera does - giving them a unique extra sense.
在夜晚，窝器让蛇类“看到”捕食者或者猎物的图像——正如红外摄影机一样——赋予他们一个独特的额外感官。
Again, deals may be in the executive's self-interest; bigger companies mean bigger salaries and it is much better for the executive if his company is perceived to be predator, not prey.
同样，收购交易可能是为了管理者的自身利益；更大的公司意味着更高的薪金，而且如果管理者的公司被认为是收购者而不是被收购者时对他的利好更大。
This deceptively minimalist predator-prey game triggers some remarkably intense feelings.
这个极其简单的虚拟捕食--被捕食游戏引发了一些显著而强烈的情绪。
During our evolutionary past, animals could have represented either predator (aversive) or prey (rewarding).
在人类的进化过程中，动物则代表着捕食者(厌恶)或者猎物(收获)，它们两者的关系息息相关。
Eighty feet underwater, their myriad eyes, simultaneously those of predator and prey, recalled the window on 18th.
在海面下80英尺，无数的鱼眼睛，还有那些水下猎手和猎物，让我回想起第18街区的标本商店。
In this paper predator-prey systems with periodic impulsive effect concerning pest control are proposed through biological control and chemical control.
摘要本文通过生物控制和化学控制提出了具有周期脉冲效应与害虫控制的捕食系统。
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。
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。
This paper discusses the state of Hopf bifurcation in a predator-prey system when parameter varies in some field, and analyzes the stability of the system.
讨论了一类捕食者-食饵系统的参数在某个范围变化时在非零不动点处产生霍普夫分叉的情况，并对其稳定性进行了分析。
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。
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。
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。
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