Entry to this prize draw is limited to UK residents.这次抽奖只限英国公民参加。The oil company jousts with Esso for lead position in UK sales.这家石油公司和埃索公司角逐英国市场销量的榜首位置。This company is the biggest wine e-tailer in the UK.这家公司是英国最大的网络葡萄酒...
研究了具有弹性夹层的层板结构的振动特性.The vibration behaviour of sandwich structure with spring interlayer is studied.导出了双层板 ― 性夹层的综合单元刚度矩阵.The stiffness matrix of synthetic dual plate - spring interlayer element is deduced.型主动脉夹层的治疗——腔内修...