age structure的例句大全

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

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

The age structure of the fish was simple and the capture tend to be young fish.

鱼类年龄结构简单，主要经济鱼类低龄化趋势严重；

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

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

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

A Study on the Age Structure Dynamics and Reproductive Status of Great Gerbil's Population

大沙鼠种群年龄结构的季节变化和繁殖特征

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。

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

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；

An analysis of age structure and the strategy for asexual propagation of Aneurolepidium chinense Population

羊草种群年龄结构及无性繁殖对策的分析

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；

Population age structure and life table of black bear

黑熊种群年龄结构和生命表初探

Most of them as de jure population, whose age structure and sex struc-ture were of imbalance, had developed the Northeastern frontier region with the minority nationalities there.

由于种种原因而造成年龄和性别结构的失调。他们与各少数民族共同开发东北边疆。

Based on the theory of demology, the types of population age structure are divided according to the different proportions of elderly population and young population.

按人口学理论，人口年龄结构的类型是依据老年人口或未成年人口在人口中的不同比例来划分的。人口年龄结构类型分为年轻型、成年型和老年型。

The survey of Shanghai university field survival training fewer teachers, age structure is reasonable, and discipline proportion has not been set up, teachers echelon teacher education and low professional title, original special structure teachers are not reasonable enough, weak teaching force. 4.

上海市所调查高校野外生存生活训练课的任课教师人数少，年龄结构比例比较合理，学科师资梯队尚未建立，任课教师学历和职称偏低，任课教师原始专项结构不够合理，师资力量薄弱。

Conclusion The important elements of population dynamics were the population age structure, the pregnant rate, the reproductive indices and the population number of other species ( little Chinese jird, northern three-toed jerboa and striped hamster).

结论影响种群数量变动的主要因素有种群年龄组成中幼年组的百分比、怀孕率、繁殖指数以及该地区子午沙鼠、三趾跳鼠和黑线仓鼠的数量。

The results indicated that different population had different age structure, lichen-and grass-P.

结果表明，不同种群年龄结构不同，属顶级群落的苔藓-青海云杉林、草类-青海云杉林表现为衰退型种群；

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。

Age structure, sex ratio and growth of the Taimen ( Hucho taimen) in Wusuli River

乌苏里江哲罗鲑的年龄结构、性比和生长