对数
对数以10为基数。
微生物菌种
A microbial strain cited and identified by its ATCC catalog number shall be used directly or, if subcultured, shall be used not more than five passages removed from the original strain.
通过ATCC的目录号引用和鉴定的微生物菌种应该直接使用,如果再次培养,不能从原菌群中移去超过五个菌落数。
主语是:A microbial strain cited and identified by its ATCC catalog number