本文研究一个带有时滞的竞争模型的一致持续生存。
进而，利用李雅普·诺夫函数和比较定理确定了持续生存的条件。
Conditions for permanence is established via the method of comparison involving multiple Liapunov functions.
主要运用比较定理得到了种群一致持续生存、弱持续生存以及绝灭的判据。
Sufficient criteria on uniform persistence, weak persistence and extinction of the consumer population are obtained by using mainly the comparison theorem.
这已需要的和不断下降，利率和不断增加的消费信贷持续生存的饮食喂养。
That has needed continuous feeding with a diet of ever decreasing interest rates and ever increasing consumer debt to survive.
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。
A three-species ratio-dependent predator-prey model with time delays is investigated, conditions are given for persistence of the system.
然而这些些生物是生物群落的成员，如果群落的稳定性取决于其完整性，他们就有权持续生存。
Yet these creatures are members ofthe biotic community and, if its stability depends on its integrity, they are entitled tocontinuance.
给出了诱导控制区域与使系统永久持续生存的最终有界区域的关系，得到了使系统永久持续生存的诱导控制律。
The relation between induction control domain and ultimately bounded domain which makes the system persist is given. Some induction control laws which make the system permanent are obtained.
在每年至少须推出八个完整系列的压力下，加利亚诺也像其他许多艺术家一样，寻求能持续生存的路线，却渐渐被遗忘。
Under intense pressure to produce at least eight full collections a year, Galliano - like so many other artists - reached for sustenance and oblivion.
通过不同的状态反馈控制研究了一个二维种群模型的永久持续生存问题，得到一些使被研究系统永久持续生存的充分条件。
The permanence of a two - species model are investigated by different state-feedback controls. Some sufficient conditions which make the model in question permanent are obtained.
我们的生存取决于合理地管理这所房子：要有生命得以持续的空间。
Our survival depends upon the rational management of this home: the space in which life can be sustained.
而持续自认没有救助可以生存的福特，在处置沃尔沃方面面临着不那么直接的压力，但仍愿意找到买主。
Ford, which continues to believe it can survive without a bail-out, is under less immediate pressure to dispose of Volvo, but would still love to find a buyer.
所以，那种原始状态难以持续下去，因为人类如果不改变其生存方式，就会消亡。
That primitive condition can then subsist no longer; and the human race would perish unless it changed its manner of existence.
根据这种观点，倘若信仰没有帮助人们的生存竞争的话，它是无法持续千万代的。
According to this view, faith would not have persisted over thousands of generations if it had not helped the human race to survive.
很明显，人象之间已持续数千年之久的竞争未来只会激化。只有我们表现出仁慈，大象才能生存，完全取决于我们。
It's clear that the millennia-long contest between elephants and humans will only accelerate in the future, and that the elephants can survive only through our good graces, and on our terms.
一个靠纳税人而生存着的银行居然认为购买一架号称拥有“无妥协的客舱舒适度”的飞机，以及持续拥有类似的几架飞机(外加一架直升机)是可以接受的？
How can a bank that owes its survival to the taxpayer think it acceptable to procure a jet that boasts "uncompromising cabin comfort" and to hold on to several others (plus a helicopter)?
月 2 日是人类在国际空间站中持续在太空中生存的首个10 年的纪念性日子。
November 2nd marked the first decade of continuous human presence in space on board the International Space Station.
某些生物无疑会繁盛，但是如果这一趋势继续下去，当它至少持续几十年后，蛤、贻贝、海螺和所有生有碳酸钙外壳的生物将生存困难。
Some will no doubt flourish, but if the trend continues, as it will for at least some decades, clams, mussels, conches and all creatures that grow shells made of calcium carbonate will struggle.
病毒性快乐生存时间相对较短，但是却能持续约一年。
Viral happiness was relatively short lived, however, lasting about a year.
通过持续地监测和评估，团队成员可以确保一个已部署系统的生存能力，并迅速地发觉和纠正性能问题。
Through constant monitoring and assessment, team members can ensure the viability of a deployed system and rapidly detect and correct performance problems.
如此前所未有的关注度和收益结束了拳击处于阴影中的生存状态，并引导其迈入黄金时期。这种情况一直持续到1950年代。
Such unheard-of crowds and profits ended boxing’s shadow existence and ushered in its golden era, which would last through the 1950s.
作为软件开发专业人员，我们在从事一个知识密集型的产业-书籍是一个使我们可以持续提高知识水平及生存能力的方法。
As software development professionals, we're involved in a knowledge-based business — and books are one way we can continually increase our knowledge and survive.
现在鱼的生存环境是如此之差，以致于为了让鱼长得更大些，人们需要持续的喂食抗生素和其它化学药品。
It often grows in conditions so dirty it requires constant antibiotics and other chemicals just to grow big enough to eat.
但是他坚信公司的生存受到那些持续的不确定财务账目的威胁。
But he believes that the company's very survival is threatened by the ongoing uncertainty as to what has happened to its accounts.
然而我们不负责任以及不可持续消耗鱼类正在摧毁人们赖以生存的渔业。
Unfortunately, our irresponsible and unsustainable consumption of fish is destroying fisheries that these people depend on.
但是事情依然在恶化。栖息地还在遭到破坏，持续增加的富人们正在不断掠夺野生动物的生存空间和资源。
Yet things are still getting worse — habitats are still being destroyed, and a growing, richer population is taking space and resources away from wildlife.
欧元区边缘国家持续恶化的债务危机使人们开始再次担心这16个经济情况各异的主权国家组成的货币联盟是否还能继续生存下去。
The worsening debt crisis on the euro zone's periphery has reawakened concerns about the viability of a currency union that encompasses 16 sovereign nations with disparate economies.
电动车的长寿是电池，其目的是旨在持续10年，在生存条件恶劣的路上是必不可少的。
Longevity is essential for electric-car batteries, which are designed to last for a decade and have to survive harsh conditions on the road.
这些杂交品种在持续的超营养作用下生存的更好，且它们的数量很快超越了原始的品种。
Those hybrids appeared better at surviving eutrophication and soon outnumbered the original species.
环境学家指出：持续增加的污染不仅会导致像全球变暖这样严重的问题，而且还将威胁到人类在这个星球的生存。
Environmental experts point out that increasing pollution not only causes serious problems such as global warming but also could threaten to end human life on our planet.
环境学家指出：持续增加的污染不仅会导致像全球变暖这样严重的问题，而且还将威胁到人类在这个星球的生存。
Environmental experts point out that increasing pollution not only causes serious problems such as global warming but also could threaten to end human life on our planet.
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