泵的扬程是泵对单位质量流动提供的有效能量。
CCD以()为信号 ["电压","电流","电荷","电压或者电流"]
支饮的诊断要点是() ["其人素盛今瘦,水走肠间,沥沥有声","心下痞坚,胸胁支满,目眩","咳逆倚息,短气不得卧,其形如肿","咳唾引痛,痛引缺盆,咳嗽则辄己","身体疼重,四肢历节痛"]
可溶性抗原定量测定常用的方法是() ["免疫印迹法","ELISA(夹心法)","直接凝集试验","ELISA(间接法)","免疫荧光技术"]
制定标准的原则是() ["精确的度量","强调顾客的需要","一切评价以事实为准绳","用数据说话","满足工作人员的需求"]
外生变量