一名技师把一盒录影带装进其中一台机器。A technician loads a video tape into one of the machines.计算机安全系统将由独立的技师来设计。Computer security systems will be designed by independent technicians.他们要派一名技师来安装电话。They're sending an engineer to fix th...
Objective To study the practical methods for the diagnosis of clinical etiology of acute respiratory infection ( ARI ).目的 研究实用的急性呼吸道感染 ( ARI ) 病原学诊断方法,供临床应用.Acquaint with the etiology , pathogenesis and syndrome differen...