[名词解释] 偶合常数

糖的检识 粪胆原减少见于（） ["肠道炎症","溶血性黄疸","急性白血病","阻塞性黄疸","痢疾"] 五磨饮子适用于喘证之（）。 ["上实下虚证","痰浊阻肺证","肺气郁痹证","表寒里热证","痰热郁肺证"] 尿沉渣管型常见于（） ["肾病综合征","泌尿系感染","糖尿病","妊娠","肿瘤"] 背景材料： 偶合常数