年龄结构,age structure英语短句,例句大全

年龄结构,age structure
1)age structure年龄结构
1.Change of age structure of population and its relationship to develop ment of health business in Henan province;河南省人口年龄结构变化与卫生事业发展
2.The changes of the catch and age structure of lake anchovy and the relationship with environmental variation in Lake Taihu;太湖湖鲚渔获量及年龄结构变化与环境间的相互关系(英文)
3.Age estimation and age structure of Cycas fairylakea population in Shenzhen City;仙湖苏铁种群年龄判断及年龄结构特征

英文短句/例句

1.Comprehensive study of age structure of Chinese female football players;对我国成年女足“年龄结构”的综合研究
2.Study on Age Structure of Sports Population and City Population in Shanghai;上海市人口年龄结构与体育人口年龄结构的研究
3.Effect of Age Structure of Inbreeding and genetic Drift in animal Populations年龄结构对群体近交遗传漂变的作用
4.Age structure is a foundational base to study the population dynamics.年龄结构是研究种群动态的重要基础。
5.Relationships among Age Structure, Saving Rates and Common Accounts;人口年龄结构、储蓄率与经常项目关系
6.Look at the Social Security System from the Population Age Structure of our Country;从人口年龄结构看我国社会保障制度
7.Forecast of the Impact and Prospects of Population Aging;人口年龄结构老化的影响与前景展望
8.Comparative Analysis of Population Structure by Age between Han and Tibetan Nationality;汉族、藏族的人口年龄结构比较分析
9.STUDY ON THE AGE STRUCTURE OF ELITE COACHES OF ANHUI PROVINCE;对安徽省优秀教练员年龄结构的研究
10.Study on Otoliths Microstructure of Tanichthys Albonubes and Research on Age Structure of Wild Tanichthys Albonubes;唐鱼耳石微结构研究及自然种群年龄结构调查
11.The Impact of the Demographic Transition Patterns on Population Age Structure--On the Reasons for Chinese Aging Problem人口转变类型对人口年龄结构的影响——兼论我国人口老龄化的原因
12.OPTIMAL PLANNING FOR AGE STRUCTURE AND REPLENISHMENT OF SPECIALIZED MANPOWER CONTINGENT专门人才队伍年龄结构和补充量的最优规划
13.Age structure and niche of the endangered Magnolia sieboldii in Huangshan Mountain黄山濒危植物小花木兰生态位与年龄结构研究
14.Application of Life-Table to the Study of Age Structure of Mongolian Oak Population应用生命表对蒙古栎种群的年龄结构的研究
15.Age structure dynamics of virgin Larix gmelini forest.兴安落叶松原始林年龄结构动态的研究
16.The 3rd, want appropriate to solve the problem of worker age structure with overall this locality.第三，要妥善解决本地总体的职工年龄结构问题。
17.Study on Population Age Structure and Spatial Distribution Pattern of Dryopteris Crassirhizoma Nakai;粗茎鳞毛蕨种群年龄结构与空间分布格局研究
18.Bistable Waves for a Single Species Model with Age Structure in 2-Dimension Lattice;二维格上年龄结构单种群模型双稳行波解

相关短句/例句

Age-structure年龄结构
1.Optimal control of population dynamic system with age-structure in periodic environment;周期环境下具有年龄结构种群动力系统的最优控制
2.Optimal Harvesting for Time-varying Population Dynamics with Spatial Diffusion and Age-structure;具空间扩散和年龄结构的时变种群系统的最优收获控制
3.The existence and uniqueness of nonnegative solutions of an age-structured MSEIR epidemic model with vaccination;带接种疫苗的年龄结构MSEIR流行病模型非负解的存在惟一性
3)age composition年龄结构
1.According to the observation in the field from January 1997 to December 2000,the age composition and dynamics of Macaca mulatta population in Neilingding Island were studied .根据 1 997年 1月至 2 0 0 0年 1 2月的野外观察 ,对内伶仃岛猕猴种群年龄结构及发展趋势进行了研究。
2.The age composition is as follows:Adult, 79.白头叶猴年龄结构为：成年猴占７９４５％，青年猴占９５９％，幼猴占１０９６％。
4)age-dependent年龄结构
1.Asymptotic behavior of a nonlinear infection-age-dependentepidemic model;一类非线性染病年龄结构模型渐近性态
2.Non-linear age-dependent population models;一类非线性年龄结构人口模型
3.This paper is mainly concerned with optimal harvesting policy for three competing species with age-dependent and diffusion.本文主要研究具有扩散和年龄结构的三种群竞争系统的最优收获策略问题。
5)stage-structure年龄结构
1.The Stability of a Diffusive Predator-prey Model with Stage-structure;一类具有年龄结构的食物链扩散模型的稳定性
2.This paper studied a two-species delayed stage-structured competitive model.主要研究了具有时滞的2-种群竞争年龄结构模型的周期解,利用叠合度理论的连续定理,得到了正周期解存在性的判别准则。
3.The stability of the positive constant solution of the competitive model with stage-structure and diffusion under Neumann boundary condition is discussed.讨论了具有空间扩散和年龄结构的竞争模型在Neumann边界条件下正常数解的稳定性,并用两种不同的方法给出了非常数正解不存在的条件,即在此条件下不会发生斑图现象。
6)class age-structure类年龄结构
1.In this paper,we establish a kind of new class age-structure SEIR epidemic model with impulsive vaccination and nonlinear infectivity,which contains ODEs and PDEs at the same time.建立了一类新的带有脉冲接种的类年龄结构SEIR流行病模型,并考虑其具有非线性传染率。