Natural selection and struggle for existence is the primary drive for biological evolution.
自然选择及生存竞争是生物演化的根本动力,自然选择的双重性作用在一定程度上决定外来生物入侵的结果。
Metapopulation model of multispecies competitive coexistence given exotic species invasion
外来物种入侵后的多物种竞争共存的集合种群模型
Through establishing the spatial pattern of niche and its measuring-fitness formula,and the dynamic system models of single-and two-population with niche construction,including corresponding theoretical analysis and numerical simulation on their evolutionary dynamics of population and the mechanism of competitive coexistence,the co-evolutionary relationship between organisms and.
通过建立生态位构建的空间模式及其适合度计算公式和具有生态位构建作用的单种群与两种群的进化动力学模型,并对其种群进化动态、种间竞争共存机制进行的理论与数值模拟分析,揭示了生物与环境资源的协同进化关系。
Based on the demand uncertainty and from the perspective of the core enterprise, this paper studied the behavior of stock competition between two supply chains,discussed the optimal stock policy of decentralized and centralized supply chain,and analyzed the influence of demand uncertainty to the profit of core enterprise.
在考虑市场需求波动的条件下,从供应链核心企业的角度出发,研究两条供应链之间的库存竞争行为。
It was not forced upon them by the survival competition;
那不是生存竞争强加给它们的;
Those variants will be preserved in the "struggle for existence".
这些变异将在“生存竞争”中被保留下来。
The struggle for existence, in the case of the newspaper, has been a struggle for circulation.
生存竞争就报纸来说，乃是为报纸的发行而斗争。
In the struggle for life, the species, which had not been successful, died out.
在生存竞争中,不能成功的物种就灭绝了.
"Facing extinction, the elephants struggle for existence everyday."
"面对绝种问题,大象每天都要和生存竞争。"
The struggle for survival was gradually stripped of mask and ornament to reveal a primitive brutality.
生存竞争渐渐脱去文饰和面具，露出原始的狠毒。
Survival is the name of the game in the jungle.
生存是残酷竞争的实质。
Sometimes animals have to compete against each other for the chance to survive.
（有时，动物为了生存不能相互竞争。）
Core Competitive Ability--the Base of Enterprise Existence and Development;
核心竞争力——企业生存和发展的根本
Mutual competition and mutual dependence relations coexisted among all the microbe populations.
这些微生物之间存在着相互竞争、相互依存关系。
Those competitive characteristics that a firm must exhibit to be a viable competitor in the marketplace.
在市场中，企业生存或成为一个竞争者所必需具备的竞争性特征。
Answer: to survive in the violent competition of society, you know, you have to be possessed with the awareness of competition.
回答：要在社会的激烈竞争中生存下来，你知道，你就得有竞争意识。
Cooperative competition is the law o f survival for enterprises today.
在合作中竞争,在竞争中合作是21世纪企业生存的法则。
In fine,want to exist and win victory in competition,a corporate demand ownning the competive advantage.
总之,要在竞争中生存并取胜,一个企业需要拥有竞争优势。
Survival and Development of Competitive Market--Competitive Strategy Analysis of CPIC Shanghai;
竞争市场中的生存和发展——浅析上海太保的竞争战略
Survival Analysis of Stochastic Competitive Model in Polluted Environment and Stochastic Competitive Exclusion Principle
污染环境中随机竞争模型生存分析和随机竞争排斥原理
Competition is a common phenomenon in human society.
竞争是人类社会生活中普遍存在的一种现象。
And marketing space competition affects the survival and development of programming object.
市场的空间竞争关系到布局对象的生存与发展。