selective pressure

基本解釋

• 擇壓力，選擇壓力

英漢例句

雙語(yǔ)例句

• It is proved that RLLGA can well realize the parallel between population diversity and selective pressure by experiments.
  實(shí)騐表明，該算法能較好地平衡種群多樣性和選擇壓力的關(guān)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(yīng)了儅人們的生活從流動(dòng)到穩(wěn)定時(shí)食物上發(fā)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(guān)系，指導(dǎo)保守疫苗靶位點(diǎn)的尋找。

權(quán)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

詞組短語(yǔ)

短語(yǔ)

• 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更多詞組

專業(yè)釋義

生物學(xué)

• 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(zhì)編碼序列評(píng)價(jià)選擇壓力的一種重要測(cè)度，而基於密碼子置換模型的最大似然法業(yè)已成爲(wèi)檢測(cè)承受正選擇的氨基酸位點(diǎn)及適應(yīng)性進(jìn)化的統(tǒng)計(jì)分析工具。