Testing VD pathogen through PCR may efficaciously prevent, cure and control VD.利用PCR技术检测性病病原体,可有效的预防, 治疗和控制性病.Results In those pathogen there 52 % is Gram - positive bacteria, there 48 % is Gram - negative bacteria.结果致病菌...
He was a newspaperman for The New York Times and some other journals.他是个记者，为《纽约时报》和其他一些报刊撰稿。He subscribes to a number of journals concerning his subject.他订阅了许多与他的学科有关的杂志.He published widely in scientific journals.他在科学期刊上...
Peter took out his wallet and showed his ID to the man.彼得掏出钱包向那人出示他的身份证件。You must carry ID at all times.你必须随身携带身份证件。If you've forgotten your login ID, click this link.如果忘记了自己的注册账号就点击此链接。...