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- economic age structure 经济年龄结构
- 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。
- In the information economic age, the steel industry of the our country will face the more fury market competition, we should make use of the information to carry out the strategy structure adjustment. 在信息经济时代,我国的钢铁工业将面临更激烈的市场竞争,我们要从全球战略和国际竞争力角度考虑我国钢铁行业的发展,利用信息化实行战略性结构调整,发挥后发优势,走出一条新型的钢铁工业发展道路,实现由钢铁大国到钢铁强国的转变。
- 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。
- 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。
- With the advent of knowledge economic age, the effects of human capital in the management of corporations become more and more important. 随着知识经济时代的到来，人力资本在企业生产管理中的作用越来越重要。
- But when faced with new economic age, traditional theory of accounting income is too old to reflect the truth quickly and correctly. 但面临新经济时代，传统的会计收益理论显得无能为力：它不能及时、准确地反映真实的收益。
- 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。
- 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。
- Age structure and regeneration mechanism of Acanthopanax senticosus population were researched in different ecological environments. 对不同生境刺五加种群的年龄结构和更新机制进行了初步研究。
- Ring-width chronologies and tree age structure were both used to investigate the relationship between treeline dynamics and climate change. 而在受季风影响的地区，树木年轮宽度的增加与当年雨季的气候变化关系不大。
- 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。
- Problems existed in the Antarctic krill age determination were introduced and the methods used in the krill population age structure analysis were reviewed. 本文对国际上有关南极磷虾（Euphausiasuperba）的寿命和年龄鉴定研究的现状、研究过程中所存在的困难和问题进行了分析和探讨，对各种不同的磷虾年龄鉴定方法的特点和存在的问题进行了评述
- He has been an unsung hero of the country's economic growth. 他是使这个国家经济成长的无名英雄。
- As times changes from a traditional industrial economical age to a new economical age, the competitive pattern has become "cooperative competition from antagonistical competition. 随着传统工业经济时代向新经济时代的转变，以前的竞争格局也由对抗性竞争、宽容性竞争演变为现在的合作性竞争。
