英语释义

1. the effect of selection on the relative frequency of one or more genes within a population

片语

Ecological selection pressure光温生态

selective pressure择压力，选择压力

strong selection pressure强选择压

local selection pressure局部选择压力

selection of differential pressure压差选择

constant selection pressure固定选择压力

Selection of work pressure工作压力的选定

Selection pressure index选择压力指数

positve selection pressure择压力

selection n pressure选择压力

英汉例句

• She found the number of species is dwindling and some species are dwarfing due to selection pressure because only the smallest flowers remain unpicked.

  她发现那些种类在缩小和矮化病其原因在选择的压力因为只有很小的花保留未摘。

• The selection pressure at the translation level is evident in all bacteria based on the analysis of the skew at the three codon positions.

  基于三个转录子位置的堿基组态分析，转译层次上的筛选效应存在于所有的细菌当中。

• Removal of selection pressure revealed that the resistance of CA-R was unstable and RF decreased by 63.2% after 5 successive generations.

  该抗性品系对气调的抗性不太稳定，在无选择压力的情况下经室内5代饲养，抗性衰退了63.2%。

• The results also showed that the change of improving methods could exert selection pressure on different gene site, which can made the method more effectively.

  结果还证实了不同改良方案的轮换，可扩大对被改良群体不同基因位点的选择压力而有效地改良群体。

• It is likely that the genes involved, which include genes that encode neuronal ion channels, have been subject to a positive selection pressure leading to an accelerated evolution of genetic changes.

  与之其进化相关的基因，包括编码的神经离子通道的基因，可能受到了积极的选择压力，从而加速了基因变化的转变。

• That situation should have set up selection pressure for the ability to survive such infections.

  那种情况应该会触发在那些传染病中幸存的强制选择。

• In this paper sugarcane callus was cultured in vitro on the medium with smut toxin filter solution which was used as selection pressure in this experiment.

  本试验采用甘蔗愈伤组织作离体培养，在培养基中加入甘蔗黑穗病粗毒素滤液为选择压力。

• The main drivers of resistance rates are not new mutations but rather antimicrobial selection pressure and transmission.

  耐药比率的主要驱动因素不是新的突变，而是抗菌素的选择压力和耐药微生物的传播。

• And it could also improve our take on evolutionary dynamics, in systems that apparently experience selection pressure at both the individual and group levels.

  当个体与群组经历选择压力的时候，它们的进化动力真是让我们大开眼界。

• The descendants of long-time urban dwellers show increased genetically-driven resistance to tuberculosis, due to evolutionary selection pressure over millennia. Christopher Intagliata reports.

  长期生活在城市的居民，其后代的遗传基因里，对肺结核的抵抗力更强。究其原因，是几千年来城市生活进化选择的压力为人类所做出的贡献。

• In response to the appearance of such variants in the cell population the concentration of the toxic chemical in the growth medium is increased, thus keeping the selection pressure constant.

  为应对细胞污染中出现的变异，有毒物质的浓度是逐步增加的，以此保证筛选力度的稳定。

• And it could also improve our take on evolutionary dynamics in systems that apparently experience selection pressure at both the individual and group levels.

  而且对于在个体和群体层面都显然经受选择压力的系统，该研究结果还能增进我们对进化动力学的理解。

• The disturbance weaken the selection pressure of the algorithm. When the disturbance has larger scale and shorter cycle, the algorithm has smaller selection pressure.

  灾变的发生使整个算法的选择压力降低，当灾变规模越大、周期越短，算法的选择压力也就越小。

• The descendants of long-time urban dwellers show increased genetically-driven resistance to tuberculosis, due to evolutionary selection pressure over millennia.

  长期生活在城市的居民，其后代的遗传基因里，对肺结核的抵抗力更强。

• Preferably, horses with a low faecal egg count should not be treated at all to ascertain a reduction of the selection pressure for anthelmintic resistance.

  最好，马低粪蛋伯爵不应该在所有以确定减少了选择压力，驱虫阻力。