闭合循环水产养殖
recirculating aquaculture system RAS
recirculating aquaculture system
产前暴露迟发效应
Prenatal exposure delayed effects
产前超声检查
Prenatal ultrasonography
Ultrosound exposure to pregnant women
Prenatal ultasonography
产前超声筛查
Prenatal ultrasound scans
产前超声预测
antepartum ultrasonic prediction
产前出血NOS
Antepartum haemorrhage unspecified
产前出血伴凝血缺陷
Antepartum haemorrhage with coagulation defect