[名词解释] 抽样误差

房间吸声量room absorption 史汀生主义 脑出血的救护中应预防哪些并发症？（） ["肺炎","褥疮","心衰","消化道出血","电解质紊乱"] 产后感染引起新生儿败血症最常见的病原菌是（） ["B群链球菌","大肠杆菌","金葡菌","绿脓杆菌","肠杆菌"] 成云的主要冷却过程是（） ["绝热上升","辐射冷却","平流冷却","接触冷却"] 抽样误差