片语

genetically effective population size遗传有效种群大小

relative population size相对种群大小

population effective size群体有效含量

modular population for size structure构件种群大小结构

range of population size种群大小范围

fish population size鱼类族群量

finite initial population size有限初始群体大小

population-size restriction群落大小限制

varying total population size总人口规模变化

英汉例句

• second, the large population size affected by this powerful earthquake allowed this study to achieve a sufficient statistical power to detect the impact of earthquakes on a rare event such as suicide.

  第二，这次能量巨大的地震影响了大规模的人群，允许这项研究完成足够的统计量来发现地震对一些例如自杀的罕见事件的影响。

• while the clonal selection principle is responsible for generating the memory cell population, the immune network theory prevents the population size from increasing quickly.

  克隆选择用来产生抗原的记忆细胞群体，免疫网络理论则用来抑制该群体规模的快速增长。

• experimental results show that vpga using logistic model population size is more efficient and requires less computation time than other modified gas which only improve the ga operations.

  我们的实验结果表明使用离散逻辑斯蒂模型来控制种群规模的vpga能够比其他从微观算子上改进的遗传算法更加高效省时。

• researchers have long known that modern humans lack the genetic variation found in other living primates, such as chimpanzees or gorillas, even though our current population size is so much larger.

  科学家以前就知道，虽然我们人口众多，但现代人不像其它现存的灵长类动物（比如黑猩猩和大猩猩）有那么多遗传变异。

• and according to the forecast results, this article has estimated the optimum population size considering urban economic carrying capacity.

  根据预测的结果，文章中计算了基于城市经济承载力的北京市最优人口数量。

• that number is smaller than current figures for the effective population size (or number of breeding individuals) for endangered species such as chimpanzees (21, 000) and gorillas (25, 000).

  当时的人数甚至不及现在濒临灭绝的黑猩猩（21000头）和大猩猩（25000头）的有效种群大小（即能生育的个体数量）。

• the results showed that population size influenced effects of qtl mapping by im and cim, but no apparent influence was found for mim.

  结果表明，群体大小对im 法和cim 法有较大的影响，但对mim 法的影响不是太大；

• in this article, the concept of eco-footprint is used to analysis the optimal population size of china.

  本文拟用生态足迹的概念讨论中国的生态适度人口规模。

• we can make little progress in working toward optimum population size until we explicitly exorcize the spirit of adam smith in the field of practical demography.

  迈向人口最佳数目，我们要驱逐亚当?史密的实践人口学的幽灵，才可以取得寸进。

• population size is the most important factor affecting the efficiency of ms.

  群体大小是影响ms效率的最重要因素。

• the rapid 「postshock」 bounce of the population growth rate in the late 17th century was related to the dramatically reduced population size and the coupled increase of food supply per capita.

  之后，在17世纪晚期出现的人口增长率「反弹」，其原因在于人口大幅度下降后基数规模显着缩小，从而人均食物资源相对增大。

• with the advance of urbanization, the expansion of urban population size and land size is theinevitable trend of urban development.

  随着城市化进程的推进，城市人口规模和用地规模的扩展是城市发展的必然趋势。

• the city population size does not have much relationship with per capita gdp, even has a negative impact on the group of large cities.

  人口规模与城市人均gdp之间关系不大，在大城市组甚至呈负相关。

• we calculated the numbers of total and premature deaths attributable to blood pressure using population-attributable risk, mortality, and the population size of china in 2005.

  我们根据人口归因风险及中国2005年的人口死亡率与人口数量对总体死亡人数和血压导致的过早死亡人数进行了估算研究。

• on the contrary, china is still faced with the absolute population surplus, which results in the control of population size still as the focus of population policy.

  人口众多，人口绝对过剩是我国的基本国情，控制人口数量仍须作为人口政策的重点。

• the number of weed species occurred and population size of each weed species depended directly on the management of the turf, whereas the turf location played the secondary effects on the weeds.

  其中，地理位置是草坪杂草分布差异的间接原因，杂草种类的多少及每种杂草的数量与管理水平有直接的关系。

• the expected targets and indicators of population size in three city plans have been broken early.

  三次城市总体规划的人口规模预期指标，相继早早突破。

• china is in a period of rapid urbanization, the growing urban population size and economic development is the driving force of urban new construction.

  我国正处于快速城市化时期，城市人口规模的不断增长和经济发展是城市新区建设的推动力。

• study of population size hierarchy is the groundwork of the city planning. it is important to the population forecast of cities and urban system planning.

  城市规模分布研究是城市规划中的一项基础性研究工作，对準确预测城市人口规模以及合理确定城镇体系结构具有非常重要的意义。

• for example, some models assume that population size never changes.

  比如说，有些模型假设种群规模永远不变。