Plant population demography mainly touches on diagrammatic models and transition matrix models.
种群统计学主要涉及图解模型和转移矩阵模型。
Population demography is the core of the research in population ecology, which mainly deals with changing laws of the population amount along with time and space.
种群统计是种群生态学研究的核心,主要研究种群在时间和空间上的数量变化规律。
Received opinion holds, in the phrase of Auguste Comte, a 19th-century social scientist, that "demography is destiny" and that Europe is doomed by its death-spiral population Numbers.
公认的看法认为,用19世纪社会学家奥古斯特·孔德的话来说就是“人口统计学是天命”,而欧洲是由其死亡螺旋式的人口数字注定的。
Demography is on France's side: its population is growing, whereas Germany has one of the EU's lowest fertility rates.
法国的人口统计中法国占优势:它的人口数量在上升,而德国却是欧盟中最低生育率的国家之一。
America's demography is far more favourable, but the growth in its working-age population, at some 0.3% a year over the coming two decades, will be less than a third of the post-war average.
美国的人口结构相对比较有利,但在未来二十年,其劳动年龄人口每年增长约0.3%,不足一战后平均水平的三分之一。
The features of Pakistani demography are indicated as excessive increase rate of population, huge number of poverty-stricken people, lowering quality of population, and distorted urbanization.
巴人口状况呈现出以下几个特点:居高不下的人口增长率、庞大的贫困人口、低下的人口素质、扭曲的城市化进程。
Demography deals with population variables, as well as the factors influencing these variables and their consequences.
人口学研究的内容是人口变量,以及影响这些变量的原因和变量的决定后果。
Population structure is an important category of human capital economics, demography, economics, sociology, environmental and ecological research fields such as an important content.
人口结构是人口学的一个重要范畴,也是人力资本经济学、经济学、社会学、环境学、生态学等领域学科研究的重要内容。
More people, and it's the combination of all the things we've talked about—technology and its transformation effect on work, and demography and the huge explosion in population.
高科技及其对工作性质的改变影响,人口以及人口大爆炸,这些我们提及过的因素加在一起将导致毕业生越来越多。
Population distribution and its change rule have become the focus and frontier of demography and geographic information science.
人口分布及其变化规律成为人口学和地理信息科学研究的前沿及热点问题之一。
From the perspective of demography, this research concerned AIDS epidemic and intended to reveal in the population effects caused by the AIDS epidemic.
本研究从人口学视角出发关注艾滋病流行,目的是揭示艾滋病流行对人口自身带来的影响。
The time specific life table, survivorship curve and age structure of Cathaya argyrophylla population were obtained through analysing the demography and age structures of its main coenopopulations.
通过对银杉主要群落种群的数量统计和年龄组成的分析,编绘了银杉种群的特定时间生命表、存活曲线和年龄结构图。
Regional Adviser in Demography and in Population Statistics;
人口和人口统计问题区域顾问;
Regional Adviser in Demography and in Population Statistics;
人口和人口统计问题区域顾问;
应用推荐