1)population elimination种群灭绝
1.It analyses the system in terms of population elimination.本文讨论具有开发率的天敌有种内竞争模型的稳定性 ,并研究了具有Holling功能反应开发的系统的稳定性 ,并对模型进行种群灭绝分析 。
英文短句/例句
1.THE CAUSES OF EXTINCTION OF CHINESE RIVER DOLPHIN S META POPULATION AND PROTECTIVE MEASURES;白鳍豚Meta种群灭绝原因及保护措施
2.Extinction risk and population viability analysis of wild Pere David's deer野放麋鹿种群灭绝风险与生存力分析
3.The Exsistence and Extinction of a Kind of General Logistic Population;一类广义Logistic种群的持续生存和灭绝
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.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
6.Climate warming brings about extinction tendency in wild population of Cymbidium sinense气候变暖致使墨兰(Cymbidium sinense)野外种群趋向灭绝
7.Weakly persistence in the mean and extinction of Logistic single population with harvesting in a polluted environment污染环境中具有捕获的Logistic单种群的弱平均持续生存与绝灭
8.walruses and extinct forms.海象及其它灭绝种类。
9.This kind of animal is in danger of becoming extinct.这种动物有灭绝的危险。
10.This species was doomed to extinction.这一种类注定要灭绝。
11.The race was threatened with extinction.这种族有灭绝之虞。
12.a species threatened by/with extinction有灭绝之虞的物种.
13.The species was being degraded.混种将导致野火鸡灭绝；
14.constituted by the extinct solitaire.由已灭绝的单一种构成。
15.pikas and extinct forms.鼠兔及其灭绝的种类。
16.gregarious North American migratory pigeon now extinct.北美洲群居的迁移鸽子，现已灭绝。
17.The systematic and planned extermination of an entire national, racial, political, or ethnic group.种族屠杀有组织地、蓄意地进行的对整个国家、种族、政治或文化群体的灭绝
18.A species can become endangered for different reasons.一种生物濒于灭绝有多种原因。
相关短句/例句
time to population extinction种群灭绝时间
3)mass extinction集群绝灭
1.Scientists have turned their focus from mass extinctions to the subsequent recoveries in recent years.本文简要介绍了目前国际上对集群绝灭－残存－复苏过程的研究宗旨和研究方法，截止１９９４年底在显生宙各大绝灭与复苏事件研究上所取得的主要进展及取得的一些有意义的成果和认识。
4)mass extinction集群灭绝
1.Discuss on the mass extinction and its causes by latest Permian in China;中国二叠纪末期生物集群灭绝及其原因的探讨
5)species extinction物种灭绝
1.Responsive mechanism of species extinction to the habitat destruction at different time scales;物种灭绝对不同时间尺度人类活动的响应机制研究
2.However,the speed of species extinction is gradually accelerating as human being came to dominance.地球出现生命以来,生物物种数量动态增长,但随着人类活动的出现,生物物种灭绝速度逐渐加快。
3.It is indicated that the species extinction is speeding, the endangered species are increasing.本文探讨了生态系统和物种多样性所面临的威胁，指出目前物种灭绝的速度在加快，濒危物种在增多，生物多样性保护的重点应是濒危物种。
6)species extinction物种绝灭
1.The species extinction is popular in nature,and extinctive factors are varions.物种绝灭现象在自然界是普遍存在的 ,绝灭因素是多种多样的 ,绝灭和进化是生物发展史上的两个重要方面。
延伸阅读
种群增长率(见种群出生率)种群增长率(见种群出生率) 种群增长率见种群出生率。
