population structure的例句大全

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；

The theory analyzes the main related factors affected food consumption through path analysis, which include population and demographic structure, the per capita GDP, per capita food production, eating habits, technological level, food prices and so on.

从影响粮食消费的基本要素，人口与人口结构、人均GDP、人均粮食生产、饮食习惯、科技水平、粮食价格等，通过通径分析研究分析影响粮食消费的主要因素。

Theoretical Study of the stable Structure and Charge Population of Ca~+-Thymine Complex

胸腺嘧啶与Ca~+复合物的稳定结构及电荷分布

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。

Based on" The fifth census", the paper analyses the scale, distribution, structure, cause of floating population in Shandong province and makes a social background analysis on population moving characteristic finally.

本文主要是以五普数据为资料，对山东省人口迁移流动的规模、分布、构成、迁移决策及原因进行了分析，最后对目前山东省人口迁移特征作了近一步的社会背景分析。

The Effects of Continuous Cucumber Cropping on Microbial Communities Structure ⅰ& Based on Quantitative Analysis of Culturable Microbial Population

黄瓜连作对土壤微生物区系的影响Ⅰ&基于可培养微生物种群的数量分析

The culturable method was then used to isolate high arsenite-resistant strains and analyzed the high arsenic groundwater culturable microbial community structure and dominant population.

然后，基于可培养的方法分离出耐高浓度亚砷酸钠的砷抗性菌，分析了高砷地下水中可培养微生物的群落结构以及优势种群。

Characterizing population space-time structure using one-dimensional series method

用一维序列方法研究昆虫种群时空结构

The structure and dynamics of space, number and time of insect population

昆虫种群的空间、数量、时间结构及其动态

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

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。

The second category includes the structure factors of population and its major functional department is the labor security organization and the system of the culture, education, and publicity.

二是人口结构因素，其主要责任部门是劳动保障及文化教育宣传系统，像人口老龄化、劳动年龄人口就业问题、人口素质等；

genetic structure analyses of woolly apple aphid ( eriosoma lanigerum hausmann) population in china studied using microsatellite markers

用微卫星标记分析我国苹果绵蚜不同地理种群的遗传结构

the communities of perennial herb are characterized by consociation with single synusia consisting of pure population, and the structure of bush community appear looser.

多年生草本群落常由纯种群构成单优群落，灌木群落结构松散。

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。

Genetic diversity and population genetic structure in188 individuals from five natural populations of Castanopsis fargesii Franch.

天然群体共计188个个体的遗传多样性和群体遗传结构进行了分析。

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；

Fourth part: Discussion modern times Hunan population sex structure vicissitude.

第四部分：探讨近代湖南人口的性别结构的变化。

Tourism Resource Population: Conception, Spatial Structure, Exploiting Potentiality: A Case Study of the Han Buddhism Temple Tourism Resource

旅游资源群：概念特征、空间结构、开发潜力研究&以全国汉地佛教寺院旅游资源为例