a virulent form of flu一种致命的流感A very virulent form of the disease appeared in Belgium.比利时出现了这种疾病的一种极其危险的变体。The media has waged a virulent hate campaign against her.新闻界向她发起了恶毒攻击。She is very virulent about her former employ...
Two kind of separated perforating and pulse fracturing composite charges are studied.论述了低渗油气层的地质特征;研究了两种分离式射孔脉冲压裂复合弹.Macroscopic deviations from isotropy occur due to bedding, schistosity and also sometimes fracturing.与各...