“连续性”的英语？

分类学上的种是根据表型不连续性而不是根据互交可孕性来确定的.Taxonomic species are defined on phenetic discontinuities, not on interfertility.他对于过去的看法不像艾略特那样有连续性.His sense of the past is less continuous than Eliot's.他也抓住了极限和连续性的概念.He, too, tackle...