After HBO therapy and mechanical ventilation therapy in PE-SWD rabbits, cyanosis disappeared quickly, crackles were decreased, and PaO2 was significantly improved (P < 0.01). The abnormality of vital signs was ameliorated. 两种氧疗方式治疗后，实验动物的口唇紫绀很快消失，肺部湿罗音减少，PaO_2较PE-SWD模型组有明显改善(P<0.
Objective To compare the effects of propofol with traditional thiopental anesthesia for oral-maxillofacial surgery in terms of vital sign changes and awakening time. 摘要目的观察异丙酚用于口腔颌面外科手术麻醉时对循环、呼吸及苏醒的影响，并与传统药物硫喷妥钠相比较。
The absence of color in that drawing make it dull. 那幅画因没有着色而显得晦暗。
We are in the absence of experience. 我们缺乏经验。
This matter is of vital importance to us. 这件事对我们来说至关重要。