概算定额的编制步骤分成哪些阶段?
下列哪项是反映HBV有无活动性复制和传染性的指标() ["表面抗原(HBsAg)","表面抗体(抗-HBs)","e抗原(HBeAg)","e抗体(抗-HBE.","核心抗体(抗-HBC."]
心理生理性失眠() ["睡眠状态感知不良","急性应激、冲突或环境变化导致的短暂性睡眠障碍","不良睡眠卫生习惯致睡眠紊乱","过分注意睡眠问题引起失眠","抑郁心境和缺乏动力是突出表现"]
原发性醛固酮增多症出现的代谢紊乱为() ["尿钾排出减少","尿钾排出增加","高钾血症","血浆肾素水平升高","血浆醛固酮水平下降"]
乙型肝炎潜伏期平均是() ["4周","6周","40天","3个月","6个月"]
在编制施工图预算应用定额时,通常用哪三种方法?