S/D造句怎么写

8、死胎组（删除胎盘早剥者）脐动脉S/D值高于对照组，血压低于对照组（P值均〈0.01）。

10、目的总结胎儿脐血流S/D值异常在胎儿宫内发育迟缓、妊高征、脐带缠绕、胆汁瘀积症等病理情况时胎儿及新生儿的结局。

12、方法应用多普勒超声技术检测112例胎儿的脐动脉、大脑中动脉、肾动脉血流的S/D值、RI值，其中正常妊娠64例，妊高征48例。

1、In this artile, it introduced the main characteristics of the S/D.

3、Study of Relationship between Fetal Biophysical Score and Umbilical Artery Blood S/D Value and Fetal Prognosis in Preeclampisa;

5、The stillbirth group(delete those with placental abruption)was significantly higher in umbilical cord blood S/D value and lower blood pressure(P0.01).

7、The group of severe preeclampsia SRA PI, RI and S/D values than the control group and the mild and moderate PIH group were significantly higher, the difference was significant(P

11、方法正常组与病变组对比观察二维声像图表现、血流信号的多少、血流速度、RI、S/D比值，并进行统计学处理。

2、In this artile, it introduced the main characteristics of synchronizer and analyzer, the R/D and S/D converting circuit used cmos chip RD14531.

6、目的探讨脐动脉收缩期血流峰值（S）与舒张末期血流速度（D）的比值（S/D）对预测胎儿宫内缺氧的临床价值。

13、⑶重度子痫前期组SRAPI、RI和S/D值较对照组及轻度妊高征组、轻度子痫前期组均明显升高，具有显著*差异（P〈0.01）。

9、ObjectiveTo evaluate the efficiency of heparin on the ratio of peak systolic to least diastolic flow velocity (S/D) of umbilical artery flow velocity waveforms at second-trimester pregnancies.

4、分析各组中S/D值与胎儿窘迫的相关*；