The same scanning was repeated to get the early and delayedphase images.
再重复同样扫描，分别获得早期相与后期相。
2
Methods We studied the operative indication, the incidence and mortality of operative complication of early phase (24 cases) and delayedphase(26 cases)groups.
方法对比分析了早期手术组（2 4例）和延期手术组（2 6例）的手术适应症、并发症发生率和死亡率。
3
Beginning at adolescence, kids have what's called a delayed sleep phase, where they start sleep later and sleep later in the morning.