Methods Skin was cultivated in organ with T lymphocytes to investigate the effect of psoriatic T lymphocytes on epidermal turnovertime.
方法应用T细胞与皮肤组织体外共培养的方法检测银屑病T细胞对表皮通过时间产生的影响；
2
Soil microbial biomass phosphorus, the relatively active fraction of soil organic phosphorus, was often considered as a labile pool of soil available phosphorus because of its short turnovertime.
Programming languages have a quick turnover, so the "Ruby on Rails" language they learned may not even be relevant by the time they enter the job market.
编程语言的更新速度很快，因此等到他们进入劳动力市场时，他们所学的“Ruby on Rails”编程语言甚至可能完全用不上。