selective pressure

基本解释

• 擇壓力，選擇壓力

英汉例句

雙語例句

• It is proved that RLLGA can well realize the parallel between population diversity and selective pressure by experiments.
  實騐表明，該算法能較好地平衡種群多樣性和選擇壓力的關系。
• Many genes for taste and smell show signs of selective pressure, perhaps reflecting the change in foodstuffs as people moved from nomadic to sedentary existence.
  許多味覺和嗅覺基因顯示出選擇性壓力的跡象，也許反應了儅人們的生活從流動到穩定時食物上發生的變化。
• Objective Study the relationship between type A influenza virus genetic variation with survival selective pressure, help for the finding of possible vaccine conserved antigen target.
  目的研究甲型流感病毒基因變異與生存選擇壓力的關系，指導保守疫苗靶位點的尋找。

權威例句

• Whether the additional communication provided by language is another such selective pressure remains to be seen.
  ECONOMIST: Smell, vision and genes: More colour, less odour The
• This lack of grandchildren should be an enormous selective pressure on flycatchers to pick a mate of the same species.
  ECONOMIST: Evolution

• selective pressure更多例句

词组短语

短語

• selective radiation pressure 選擇輻射壓力
• selective light pressure 選擇光壓
• relaxation of selective pressure 選擇壓力放松
• Positive immune selective pressure 正性免疫選擇壓力
• Host selective pressure 選擇壓

• selective pressure更多词组

专业释义

生物學

• 選擇壓力

  Nonsynonymous-synonymous substitution rate ratio (d_N/d_s) is an important measure for evaluating selective pressure based on the protein-coding sequences. Maximum likelihood (ML) method with codon-substitution models is a powerful statistic tool for detecting amino acid sites under positive selection and adaptive evolution.
  3．非同義-同義置換速率比值(d_N／d_S)是藉蛋白質編碼序列評價選擇壓力的一種重要測度，而基於密碼子置換模型的最大似然法業已成爲檢測承受正選擇的氨基酸位點及適應性進化的統計分析工具。