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- In this paper, we study a nonautonomous SIS model with age structure. 摘要研究具有年齡結構的非自治的SIS模型。
- Age structure dynamics of virgin Larix gmelini forest. 興安落葉松原始林年齡結構動(dòng)態(tài)的研究
- Age structure may also be represented by a survivorship curve. 存活曲線(xiàn)也可以反映年齡結構。
- The main research object of the paper is BCT structure model. 本文主要研究的是BCT結構模型。
- 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. 為了更準確地模擬職工年齡結構的變化,本文采用OLG方法,建立年齡變化相對穩定的職工人數遞推模型。
- 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. 在確定性具年齡結構的Leslie矩陣模型基礎上，考慮具有隨機性的非線(xiàn)性補充，使得模型能反映隨機因素。
- The structure model P-type K2CsSb + intrinsic Cs3Sb have been proposed. 提出了P型K_2CsSb+本征Cs_3Sb的結構模型。
- Age structure is a foundational base to study the population dynamics. 年齡結構是研究種群動(dòng)態(tài)的重要基礎。
- The Distributed Multi-tier Structure Model and MIDAS are introduced briefly. 簡(jiǎn)要介紹了分布式多層體系結構模型及MIDAS。
- With use of this structure model, we can simulate the real performance of aerofoil very well. 應用該結構模型可以很好的模擬機翼結構的實(shí)際情況。
- At the same time, the structural model of glass is diss-cussed. 同時(shí)探討了玻璃的結構模型。
- Judging method of individual age and age structure of Stellera chamaejasme population in degraded steppe. 退化草原狼毒個(gè)體年齡判定方法及其種群年齡結構的研究。
- The 3rd, want appropriate to solve the problem of worker age structure with overall this locality. 第三，要妥善解決本地總體的職工年齡結構問(wèn)題。
- Plausible structure model ofelectron capture center and catalytic mechanism were proposed. 討論了可能的結構模型和催化機理。
- This article studies the dynamical action of a predator-prey system with age structure. 摘要研究了一類(lèi)捕食者具有年齡結構的捕食系統的動(dòng)力學(xué)行為。
- Based on age structure, pteroceltis tatarinowii populations were expanding populations. 各種群的年齡結構反映保護區內青檀種群是增長(cháng)型種群。
- This article was aimed at clarifying the development and availability of the "Big Five"personality structure model. 本文旨在對西方"大五"人格結構模型的形成過(guò)程及其適用性進(jìn)行系統的分析。
- The structure model of multialkali photocathode of P-type Na2Ksb+ intrinsic K2CsSb+ intrinsic Cs3 Sb has been proposed. 對多堿光電陰極P型Na_2KSb+本征K_2Cssb+本征Cs_3Sb的結構模型進(jìn)行了印證; 提出了工藝上應采取的措施。
- The Krogh-Moe and Abe structural model of borate glasses are discussed. 探討了Krogh-Moe和Abe硼酸鹽玻璃結構模型的某些不足之處。
