片语

population natural structure人口自然结构

fish population genetic structure鱼类种群遗传结构

population profession structure人口职业结构

human population genetic structure人类群体遗传结构

overall structure总体结构，整体结构

demographic structure人口结构

population sex structure人口性别结构

population n structure人口结构

population dynamic structure群体动态结构

population canopy structure群体冠层结构

Population age structure index率

英汉例句

• objective to investigate indoor commensal rodent population structure in populated area, general institutions and emphasis institutions indoor in wuhan.

  目的了解武汉城区居民住宅、一般单位、重点单位室内家栖鼠种群构成。

• the population structure of the wintering cranes is reasonable.

  越冬黑颈鹤的种群结构合理。

• 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。

• further, wmv-2 also changed the population structure of aphids.

  病毒wmv-2对棉蚜种群结构也有影响。

• this spatial variation in population structure may be the result of variation in the patchiness of resources exploited by gallwasps, particularly host oak plants.

  这种种群结构在空间上的变异可能是被栎瘿蜂开发的资源尤其是栎树寄主在斑块上出现变异的反映。

• with the 「old unemployed groups」 gradually withdraw from the historical stage, china「s future population structure and the main body of unemployment will change.

  随着「老失业群体」逐步退出历史舞台，我国未来的失业人口结构和主体将随之改变。

• population dynamics and population structure of parasite wasps on white wax insect were studied by the fixture trapping from 1999 to 2000.

  采用定点诱集方法研究了昆明地区白蜡虫天敌寄生蜂的种群结构与优势种群的动态变化规律。

• along with the development of social economy and science and technology, the world」s population structure are changing.

  随着社会经济和科技的发展，全世界的人口结构也在发生着变化。

• the villages and towns merge has direct positive influence on the population structure and industrial structure, but is inconsistent in all parts to the structure of labor force.

  研究发现，乡镇撤并对人口结构，产业结构有直接的正面的影响，但是对最能反映城镇化实质的指标——劳动力结构，其效果在各地并不一致。

• urban population development covers four aspects including population control, population structure optimization, population quality improvement, and population management.

  控制人口规模、改善人口结构、提升人口素质、加强人口管理是城市人口发展的四个基本问题。

• the relationship between higher education development and population structure can reflect the external relation laws of higher education.

  高等教育发展与人口结构的关系是高等教育外部关系规律的一种体现。

• among the factors, the impact of population structure on savings and economic growth has been drawing more and more attention.

  在影响储蓄的众多因素中，人口结构变化对储蓄和经济增长的影响越来越受到关注。

• the paper studied the clone population structure of age, diameter and height class of phyllostachys nidularia munro in natural forests.

  根据实测资料，分析了天然野生篌竹无性系种群的龄级结构，径级结构和高度级结构。

• over the next 15 years and beyond, china「s population structure will become more and more similar to japan」s today.

  在未来的15年及之后，中国人口结构将越来越像今天的日本。

• population and population structure have important effect on regional economy development. likewise, regional development of economy also influences population and its structure in the region.

  人口及人口结构对一个区域的经济发展有着相当重要的影响与作用，而区域经济的发展又同样影响着区域人口及其结构。

• seed is an important stage of plant life history of seedling establishment, settlement, population structure and community succession or later have a significant impact.

  种子是植物生活史的重要阶段，对幼苗建成、定居，种群的结构及群落演替或更新都有重要影响。

• here, growth regularity of leaf tillers and population structure of winter wheat seeded on suitable time, and the four cultivation systems are introduced in detail.

  本文较详细地介绍了适期播种的冬小麦叶蘗生长规律、群体结构及四大栽培体系的技术特点。

• objective to study the population structure of small mammals in eryuan dali.

  目的调查大理州洱源县小兽类哺乳动物种群结构。

• bird songs and calls as one of the most important features, which contain abundant biological information, are vital for the research of avi-behavior, bird population structure and classification.

  鸟类的鸣声中包含有丰富的生物学信息，研究鸣声对于了解鸣声与行为的关系、鸟类的种群结构及种属分类具有重要的实际意义。

• during qing dynasty「s fierce and turbulent change, the population structure of the northeast had changed deeply correspondingly, people flowed and moved quite frequently and actively.

  在清朝激烈动蕩的社会变革之中，东北的人口结构也相应的发生了深刻的变化，人口流动与迁移活动也相当频繁。

• while the ageing of the population structure , the small family structure, residents in need of diversification and the frequent movement of the population, the content of community service changed.

  伴随人口结构的老龄化、家庭结构的小型化、居民需要的多样化和人口流动的频繁化，社区服务的方式和对象、内容和领域都发生了巨大的变化。

• this needs the contemporary university graduate」s positive participation, change the agricultural population structure fundamentally and improve the population quality.

  这就需要当代大学毕业生的积极参与，从根本上改变农业人口结构和提高人口的质量。

• in addition, some aspects of bigeye tuna biology including their distribution, migration model, physiology feature, age and growth, spawning, diet and population structure were discussed.

  并对其分布、运动模式、生理特性、年龄和生长、繁殖、食性以及种群结构等生物学作了具体的阐述。