age structure

Population age structure and life table of black bear

黑熊种群年龄结构和生命表初探

All 4 populations have opposite pyramid age structure, and few coning individuals, which is still decreasing.

所有四个野生种群的年龄结构均呈倒金字塔型,开花个体数少, 并且还在不断减少.

Through the research, this paper analyses amply for the number of ruralteachers 、 learning qualification structure 、 age structure 、 the title of a technical post structure 、 subject structure 、 personnel structure 、 rural teachers' fluxion 、 workload 、 proceed education 、 treatment.

通过研究，本文对农村教师的数量、学历结构、年龄结构、职称结构、学科结构、人员构成、农村教师流动、工作量、继续教育、待遇进行了详尽分析。

In this paper , we study a nonautonomous SIS model with age structure.

研究具有年龄结构的非自治的SIS模型.

Approaching Capital Evaluation Method of Bamboo Forest without Idea Age Structure

年龄结构不理想的竹林资产评估方法探讨

Age structure the type Be basic to get into an old-age type.

年龄结构类型基本进入老年型。

Analysis on Age Structure of Scientific and Research Staff in Domestic Environmental Protection Field

我国环保系统科研机构科技人员年龄构成分析

There exists significant difference on economic development and population age structure among regions.

中国的省份众多，经济发展与人口年龄结构在各区域间都有明显的差别。

Age limits imposed by clinic structure in some places throughout the world may impose an acute transition at a fixed age.

世界各地的一些诊所实行的年龄限制可能在一个固定的年龄对急性的过渡产生负担。

For example the user age structure that the net swims is very young also.

例如网游的用户年龄结构也很年轻.

The age structure diagram showed that the clone population of C.

年龄结构图显示，仙湖苏铁无性系种群为稳定种群，基株种群为衰退种群；

Then qualitatively analyzes its age structure and culture structure.

接着定性分析了该县的年龄结构和文化结构。

Discussion and analysis of best age structure of excellent women football team

优秀女子足球队最佳年龄结构的探讨与分析

Outside the system of the old-age insurance, the main methods of solving the Implicit Pension Debt have realizing state-run assets, adjusting expenditure structure of finance, levying old-age insurance tax and issuing approval bond.

养老保险体制外解决隐性债务的主要方法有变现国有资产、调整支出结构、开征养老保险税和发行认可债券。

Study on SIS Model with Age Structure

具有年龄结构的SIS模型的研究

Consequently, age structure is only a special kind of size structure.

因此年龄结构是Size结构的一种特殊情形。

At 1,2 week-age, the thymus structure of experiment group presented degeneration, the thymus development were hypogenetic. From 3 week-age, the thymus of chicken in experiment group began to recover.

1~2周龄试验组胸腺组织结构出现退化，胸腺发育不良，3周龄起，试验组胸腺发育开始逐渐恢复。

Meanwhile, points for attention that whether the age structure is reasonable under intensive cultivation.

另外, 值得深思的是,在高度集约经营条件下,原有的竹龄结构模式是否还适应等.

Is analyzed based on age structure and culture degree structure of human resource.

论文从年龄结构、文化程度结构介绍了重庆川仪经营成套总公司的人力资源现状；

The 3 rd, 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.

And there was important practical significance for the study of Chinese age structure and consumption.

并且，对于人口年龄结构和居民消费的研究具有重要的现实意义。

Analyzing China's Present and Future Sex& Age Structure of Population

中国人口性别年龄结构现状与前景分析

Age structure may also be represented by a survivorship curve.

存活曲线也可以反映年龄结构.

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 formulate an epidemic model with chronological age and infectious age structure.

本文根据流行病的传染过程和机理建立了具有年龄和病程结构的流行病模型.

The population age structure is more reasonable, the existing reserve of human resources.

人口年龄结构较为合理, 现有、后备人力资源充足.

The SD Model of Optimizing the Age Structure of the Teacher System SYSTEM

优化教员系统年龄结构的系统动力学模型

The characteristic of growth and development and age structure are also studied.

根据群落种群生长发育的特点及年龄结构情况可以看出，其建群种和优势种种群生长发育阶段完整。

The age structure of most dominant species community is declining, and the community species composition unstable.

样地内多数优势种群的年龄结构为衰退型, 群落的种类组成不稳定.

A study on age structure model of bamboo stand and its application

毛竹林丰产年龄结构模型与应用研究