population composition的例句大全

Conclusion The investigation provided the basis for further studies on the population composition of bloodsucking midges in this area.

结论为黑龙江省乌苏里江流域吸血蠓的种群组成研究提供了科学依据。

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variation of the population composition by age and the new residential model

人口年龄结构的变迁与新兴的居住模式

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phytoplankton population composition in heilongjiang river system

黑龙江水系主要江河浮游植物种群结构特征

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the factors that affect spore population composition and seasonal variation of va mycorrhizal fungi were discussed in this article.

本文对影响VA菌根真菌孢子种群组成和季相变化的因素进行了讨论。

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Analysis on the Change of Reproductive Population Composition of Coilia ectenes in Wuwei Section of Anhui in Yangtze River

安徽无为长江段刀鲚生殖洄游群体年龄结构的变化分析

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A study on population quantity composition and reproduction of striped Hairy-Footed hamster

黑线毛足鼠种群数量结构和繁殖的研究

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The population age composition of Jining shows that Jining has become an aging society. 2.

结论1.在年龄构成上，济宁市已经进入老龄化社会。

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The number of people searching for work in a less developed country depends primarily on the size and age composition of its population.

在欠发达国家中，寻求职业的人数主要取决于该国人口数量的多少与年龄结构。

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It also optimizes and adjusts the age composition of population in urban area and improves the conditions of population development in the future.

从长远看，可以优化和调整城市的人口年龄结构，改善未来人口发展条件。

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Relationship of the population dynamics and the age composition of three rodents in rural districts of northern Huaihe river, Anhui

安徽淮北农区三种鼠的种群数量动态与年龄结构的关系

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LCBP model predicts the weight of trend on terms that have considered such environmental factors as the economic income level, population, age composition level and flow of floating population, etc.

其中LCBP模型在考虑了经济收入水平、人口、年龄结构层次及流动人口流量等环境因子的条件下对趋势分量进行预测。

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First is studied, from a global perspective aging population situation, mainly based on the United Nations population research data on developed countries and developing countries in the total population and age composition of the differences.

一是，从全球视角研究了人口老龄化形势，主要根据联合国人口预测数据等研究了发达国家与发展中国家在人口总量和年龄构成上的差异。

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Compared with the data of past censuses, the data of the Fifth Census of China shows that the quantity of workforce in Jilin Province has increased, with the age composition of it showing an aging trend and the proportion of workforce in the total population increasing.

与以往各次人口普查数据比较，中国第五次人口普查数据显示：吉林省劳动力资源数量增加，劳动力资源的年龄构成呈老化趋势，劳动力人口占总人口的比重一直呈上升趋势。

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Ethnic Composition: Oman's population is mostly Arab, but there are also South Asian ( Bangladeshi, Pakistani, Indian) groups.

民族：绝大多数人为阿拉伯人。另有来自南亚的孟加拉国人、基斯坦人和印度人等。

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Fallacy of composition: A wrong conclusion reached by taking a known fact about individuals and projecting it to apply to the entire population.

推论的谬误：把有关个别人的已知事实，推而广之应用于全体人口，从而得出的错误结论。

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species composition and population dynamics of rotifer brachionus plicatilis complex in a coastal lagoon

沿海混盐水体褶皱臂尾轮虫的复合类群及其种群动态

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genetic drift is change in the genetic composition of a population arising as a consequence of sampling of gametes in a finite population.

所谓遗传漂变就是指：在一个有限的种群内，由于配子的随机取样使得遗传组成在种群内发生变化的现象。

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therefore, seed aging maybe had a greater impact on the genetic composition of the soybean population than regeneration times.

因此，种子老化较繁殖世代对大豆种质群体的遗传结构影响更大。

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The census results show that big changes have taken place in the population's age composition.

这次人口普查反映出中国人口年龄结构发生了较大变化.

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Emigrant composition basically is European, predict to this century end population is achieved likely 180 million.

移民成分主要是欧洲人, 预计到本世纪末人口有可能达到1.8亿.

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