灭绝性,Extinction
1)Extinction[英][?k'st??k?n][美][?k'st??k??n]灭绝性
1.On The Persistence and Extinction for a Non-Autonomous SIRS Epidemic Model;一类非自治SIRS传染病模型的持久性与灭绝性研究(英文)
2.Average Persistence and Extinction Criteria in Nonautonomous Predator-Prey Kolmogorov Systems;非自治捕食被捕食KOLMOGOROV系统的平均持续与灭绝性(英文)
3.Extinction and Permanence of a Pest Management SI Model with Twice Impulses and Nonlinear Incidence Rate一类具有两次脉冲和非线性传染率的害虫管理SI模型的灭绝性与持久性(英文)
英文短句/例句

1.Persistence and Extinction in Nonautonomous Multi-species Kolmogorov System with Delay非自治多种群时滞Kolmogorov系统的持续性和灭绝性
2.Extinction on Nonautonomous Lotka-Volterra Type Competitive Systems with Delay一类时滞非自治Lotka-Volterra竞争系统的灭绝性
3.Tending to extinguish or make extinct.使灭绝,使消亡趋于灭绝或使灭绝的
4.Study on the Permanence and Extinction of Several Population Dynamic Systems;几类种群动力学模型持久性和绝灭性的研究
5.Extinction of the discrete predator-prey system with Holling Ⅱ type functional response差分HollingⅡ类功能性反应捕食模型绝灭性的研究
6.Many species have disappeared or is going to disappear in future, which makes declines of biological diversity.不少物种已经绝迹或濒临灭绝,导致生物多样性的衰减。
7.We all condemn the inhuman brutal crimes against children..我们一致谴责这种灭绝人性的摧残儿童的暴行。
8.We all condemn such brutal crimes against children.我们一致谴责这种灭绝人性的摧残儿童的罪行。
9.They were guilty of the most barbarous and inhuman atrocities.他们犯有最野蛮、最灭绝人性的残暴罪行。
10.Many animals are already extinct, or getting close to extinction.不少动物已经灭绝或滨临灭绝。
11.The loss of genetic diversity associated with reductions in population size will contribute to the likelihood of extinction.遗传多样性和物种数量减少的关联性对灭绝的可能性是由贡献的。
12.Investigation on Mechanical Property of Operating Mechanism and Insulation Performance of Arc-quenching Chamber for SF_6 Generator Protection Circuit Breaker;SF_6发电机保护断路器机构运动特性及灭弧室绝缘性能研究
13.Until recently,the wolf was almost extinct.到最近,它们已濒临灭绝。
14.At any rate one mosquito less.又一只蚊子灭绝了。
15.walruses and extinct forms.海象及其它灭绝种类。
16.This kind of animal is in danger of becoming extinct.这种动物有灭绝的危险。
17.This species was doomed to extinction.这一种类注定要灭绝。
18.extinct genus of African hominid.以灭绝的非洲原始人类。
相关短句/例句

extinction[英][?k'st??k?n][美][?k'st??k??n]绝灭性
1.Some new criteria for the uniform persistence of a part of species and the extinction of other part of species are established.得到了该系统一致持续生存和绝灭性的新的判别准则,这些结果改进和推广了文献[1,2]中的主要结果。
2.Some theories and approaches related to continuous dynamics, discrete dynamics, impulsive dynamics, operator theory and numerical simulations are used to investigate dynamical behaviors including the existence of periodic solution, permanence, extinction and stability as well as the effects of pulses and delays on th.以脉冲微分方程理论为基础,同时结合离散、连续动力系统和算子理论的相关知识和方法,并借助计算机数值模拟讨论所提出模型的动力学行为,包括系统周期解的存在性、持续生存性、绝灭性和稳定性,并讨论了脉冲和时滞大小对种群动力学行为的影响。
3)Non-extinction非灭绝性
4)most barbarous; utterly inhuman灭绝人性
5)selective extinction选择性灭绝
6)nonrandom extinction非随机性绝灭
延伸阅读

物种灭绝分子式:CAS号:性质:巨大的撞击事件引起气候环境突变,导致有些物种灭绝。根据全球不同地区互不相干的地层的生物群体变化,结合沉积时间和地球化学变化或标志,证明某一事件具有同时性和同一成因。自600Ma(显生宙)以来,至少可以证明发生过五次很突出的物种灭绝事件:奥陶纪末(约440Ma),晚泥盆纪(约365Ma),二叠纪末(约250Ma),三叠纪末(约215Ma)和白垩纪末(约65Ma)。新生代的始新世末(约34Ma)也是一次较显著的物种灭绝事件。