生物沉积物
“十二五”规划确定的每万人口发明专利拥有量为()。 ["3.4件","3.3件","4.3件","4.4件"]
制定有关人体实验的基本原则的是() ["《纽伦堡法典》","《赫尔辛基宣言》","《希波克拉底誓言》","《大医精诚》","《伤寒杂病论》"]
评价筛分过程质量指标是() ["筛下粒度的大小","筛分效率","生产率","处理量"]
诊断伤寒常做的检查是() ["脑脊液检查及白细胞计数","白细胞计数分类及粪便培养","白细胞计数分类及尿常规","血培养及肥达反应","白细胞计数及血涂片找病原体"]
集中操纵的道岔,应由谁负责管理?