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- In this paper, we study a nonautonomous SIS model with age structure. 摘要研究具有年龄结构的非自治的SIS模型。
- 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
- Age structure may also be represented by a survivorship curve. 存活曲线也可以反映年龄结构。
- The main research object of the paper is BCT structure model. 本文主要研究的是BCT结构模型。
- In order to accurately simulate the labor age structure,this paper uses the OLG method and establishes a recursion model that relatively impairs the age changes. 为了更准确地模拟职工年龄结构的变化,本文采用OLG方法,建立年龄变化相对稳定的职工人数递推模型。
- Based upon Leslie matrix model with a definite age structure, the consideration of the non-linear complement at random enables the model to reflect some of the random factors. 在确定性具年龄结构的Leslie矩阵模型基础上,考虑具有随机性的非线性补充,使得模型能反映随机因素。
- The structure model P-type K2CsSb + intrinsic Cs3Sb have been proposed. 提出了P型K_2CsSb+本征Cs_3Sb的结构模型。
- 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。
- The Distributed Multi-tier Structure Model and MIDAS are introduced briefly. 简要介绍了分布式多层体系结构模型及MIDAS。
- With use of this structure model, we can simulate the real performance of aerofoil very well. 应用该结构模型可以很好的模拟机翼结构的实际情况。
- At the same time, the structural model of glass is diss-cussed. 同时探讨了玻璃的结构模型。
- Judging method of individual age and age structure of Stellera chamaejasme population in degraded steppe. 退化草原狼毒个体年龄判定方法及其种群年龄结构的研究。
- 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。
- Plausible structure model ofelectron capture center and catalytic mechanism were proposed. 讨论了可能的结构模型和催化机理。
- This article studies the dynamical action of a predator-prey system with age structure. 摘要研究了一类捕食者具有年龄结构的捕食系统的动力学行为。
- Based on age structure, pteroceltis tatarinowii populations were expanding populations. 各种群的年龄结构反映保护区内青檀种群是增长型种群。
- This article was aimed at clarifying the development and availability of the "Big Five"personality structure model. 本文旨在对西方"大五"人格结构模型的形成过程及其适用性进行系统的分析。
- The structure model of multialkali photocathode of P-type Na2Ksb+ intrinsic K2CsSb+ intrinsic Cs3 Sb has been proposed. 对多碱光电阴极P型Na_2KSb+本征K_2Cssb+本征Cs_3Sb的结构模型进行了印证; 提出了工艺上应采取的措施。
- The Krogh-Moe and Abe structural model of borate glasses are discussed. 探讨了Krogh-Moe和Abe硼酸盐玻璃结构模型的某些不足之处。