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...
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...
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...
Gannets are denizens of the open ocean.鲣鸟栖息在外海地区。polar bears, denizens of the frozen north北极熊,在冰天雪地的北方生活的动物At length these denizens of the swamps disappeared in their turn.到了后来,连这些沼泽国的居民们也不见了....