本文简明地描述了由载流子带内弛豫加宽的半经典的密度矩阵理论.The semiclassical density - matrix theory with carrier intraband relaxation broading is des - cribed.宽度加宽的消息被广播到国外.The news about the broadened breadth is broadcast abroad.现在的桥是在19世纪20年代加宽的....
Don't use cold water as it shocks the blood vessels into closing up.不要用冷水，那样会刺激血管闭合。Nash did not live a cloistered existence nor was he spared the shocks that flesh is heir to.纳什并非过着与世隔绝的生活,他同样也不能逃脱人生难免的种种打击.After f...