• 结果表明:沙地云杉缓慢增长种群

    The spruce population on the sandy land was of low increase type.

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  • 结果表明:(1引物H16烟粉B不同种群扩增的特异带,有效区分烟粉虱BQ浙江非B/Q型种群

    The results showed that:(1)the specific amplified patterns using the primer H16 could distinguish biotype B populations from biotype Q populations and non-B/Q biotype population in Zhejiang province;

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  • 表明根据研究对象研究目的选择合理分布指数能够提供种群空间分布格局多侧面信息

    Thus, according to research object and goal, choosing a reasonable distribution index can provide multi-factor information about the spatial pattern of the population.

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  • 种群分布格局总体上呈聚集年龄增加聚集强度增加。

    The population pattern was of clustered distribution, with the aggregating intensity increased with age.

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  • 综合上述结果说明福建省8个粉虱种群均属于生物B”。

    The results indicated that all 8 populations were of the biotype B.

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  • 全年种群密度变化呈单峰

    The yearly population density fluctuates in a single peak.

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  • 虽然同一个居群长期受到相同周期诱导但是种群不是单一相近的开花期存在开花光周期反应不同基因

    It was observed that there were different genotypes for genetic flexibility in flowering photoperiodic response, although the populations had always been subjected to the same photoperiodic induction.

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  • 不连续变化,间断变化:种群的变化,在种群两极之间很少没有中间表现

    Variation within a population in which few or no intermediate phenotypes fall between the extremes.

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  • 生长季末种群中根茎累计长度重量上均增长年龄结构

    The age structure of rhizome is an increasing model at length and weight at the end of growing season.

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  • 群落主要植物种群产量结构金字塔

    The yield structure of the plant showed a pyramid shape.

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  • 预计洄游香鱼水库大坝建成飞云流域消失,但库区中也可能出现陆封香鱼种群

    It can be expected that the ayu of migration type will be completely vanish in Feiyun river after building the DAMS across the river.

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  • 研究了一类具有时滞的基于比率种群捕食者-食饵系统给出了系统持续生存条件

    A three-species ratio-dependent predator-prey model with time delays is investigated, conditions are given for persistence of the system.

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  • 分布研究基础,探讨资料代换,最适抽样种群贯抽样模

    The model data conversion, the population sequential sampling and the theoretical sampling number model were also built up in the paper.

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  • 本文研究了一类种群离散捕食者食饵系统

    In this paper, a class of predator-prey systems of three species with discrete time is studied.

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  • 草场放牧场硬拂子茅无性系种群分蘖株均属于增长年龄结构

    The age structures of the tillers of the grass on both pastures for grazing and cutting uses are of an expanding type.

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  • 种群垂直空间分布格局呈随机集群

    The distribution of a species individuals in the vertical space is random or contagious.

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  • 本文研究中,基于利用五个间隔序列叶绿体dNA单倍分析我们提出猪笼种群遗传变异模式

    In this study, we present the patterns of genetic differentiation of pitcher plant populations based on chloroplast DNA haplotype analysis using the sequences of five spacers.

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  • 种群通常存在着迁飞到他处生殖迁飞以及留在本地生殖居留,其比例因所处的环境因子不同而异。

    A migrant population usually consists of parts of migrant and resident, depending on the environmental conditions that the population underwent.

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  • 分类类—落叶松林种群分布格局,均匀分布随机分布所占比例11%,聚集分布占78%。

    According to the forest type to classify, both of clustered and regular distribution are 11% in the commurity distribution pattern of herbageLarix forest, the random distribution is 78%.

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  • 人基因组计划旨在发现多个人类种群发现基因所有形式人类DNA多态性提供精确信息

    The aim of the 1000 Genomes Project is to discover, genotype and provide accurate haplotype information on all forms of human DNA polymorphism in multiple human populations.

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  • 结果表明绒毛番龙眼种群表现为连续增长种群

    The result shows that the Pometia tomentosa population is a continuous increasing population.

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  • 建立了用肉眼就可辨别的乙酰胆碱酯酶显色反应体系,快速检测种群是否存在靶标抗性及其基因

    A chromogenic system was established to visualize the presence of target resistance and the relevant genotypes in the population.

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  • 中纬度地理种群代表过渡的“资源生态”。

    The high-latitude population represented the extreme of "low-resource ecotype" in the variation continuum (low innate growth, low growth plasticity and high resistance to specialist herbivore).

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  • 基于蚂蚁种群兵蚁工蚁觅食过程合作关系仿生,提出了种改进蚁群算法

    A novel ant colony algorithm is proposed based on the bionics of cooperation relation between soldier ant and worker ant in the foraging process.

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  • 研究表明,种群个体分布格局随机分布,种群稳定增长

    The results indicated that the distribution pattern of population individuals was random distribution pattern, and the population model was stable growth-oriented.

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  • 研究表明,种群个体分布格局随机分布,种群稳定增长

    The results indicated that the distribution pattern of population individuals was random distribution pattern, and the population model was stable growth-oriented.

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