Because of their simplicity, bipolar lead systems were the first to be used in clinical electrocardiography.因为它们简单, 双极导联最先用于临床心电图学.Objective To study electrocardiography diagnosis of ischemia in patients with ventricular...
在家办公为人们提供了极其灵活的生活方式。Working from home offers the ultimate in flexible life styles.更灵活的方法a more flexible approach非常机动灵活的交通工具a highly manoeuvrable vehicle...
Dodd made no appeal of his death sentence and, further, instructed his attorney to sue anyone who succeeds in delaying his execution.多德没有对自己的死刑判决提起上诉，而且他还要求自己的律师起诉任何成功使得这一死刑暂缓执行的人。The sixth part introduced the relief and...
MgO改性提高对二乙苯选择性最为明显.Silylation, P modification and MgO modification can improve p - DEB selectivity greatly.指出高效、节能的分子筛吸附分离法是分离二乙苯的最佳选择.The best choice for separating diethylbenzene is the adsorptive separation by zeolite...