selection pressure

常见例句

Selection pressure for this efficient style of locomotion favored longer and more flexible spinal columns.
受天择压力，他们朝向耗能较少的移动模式演化，因而脊椎柱更长，更灵活。
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。
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。

The human population exploded and without natural selection pressure, fecundity in the types economic activity flourished.
FORBES: Lemin Wu, Economic Growth and Why Humanity Can't Have Nice Things
Unfortunately, such promiscuous use of drugs is the best way to put selection pressure on the worms and encourage the evolution of resistant strains.
ECONOMIST: Parasitology: The risks of global worming The
Of course, low genetic variation means that selection pressure is higher.
FORBES: The Science of Tequila (Snobbery)