DNA交链主要由照射于DNA或细菌芽胞引起.DNA cross - links are produced mainly upon irradiation of dry DNA or bacterial spores.目的:观察蜡样芽胞杆菌感染途径.Objectives To observe how cere spore bacilli resulted in swallowing infection.结果:通过细菌学培养鉴定在咽部检出蜡...
Return the enclosed Donation Form today in the prepaid envelope provided.请于今日将随函附上的捐款表格用所提供的邮资预付的信封寄回。Free room and board are provided for all hotel staff.宾馆的所有员工都可享受免费膳宿。Bob Marley provided them with their first taste o...
He reported that two suspicious-looking characters had approached Callendar.他报告说两个形迹可疑的人曾跟卡伦德接触过。The police inferred that they found her behaviour rather suspicious.警方暗示他们发现她行为非常可疑。Nottingham police last night found what...