“外币”系指除新加坡元之外的任何一种货币(或任何货币的次单元)。
The recombinant plasmid pMM2 contained cholera enterotoxin B sub-unit gene CT-B were expressed in E. coli strain.本实验室使霍乱肠毒素(CT)B亚单位基因在大肠杆菌中获得表达,并能分泌到胞外。
You are currently using the free trial version of 'sub-unit of practice' and 'higher Chinese exercises' with limited use of online question's bank.您正在使用的是免费题库,没有“单元分项练习”及“高级华文练习”练习的使用权限。