The main reason of perinatal death were umbilical cord factors, fet al malformation, preterm labor, placental factor, oligohydramnios, severe preeclampsia and pregnancy complicated syphilis.
围生儿死亡主要原因依次为：脐带因素、胎儿畸形、早产、胎盘因素、羊水过少、重度子痫前期、妊娠合并梅毒。
This paper introduces the CAD techniques for the power MMIC. The main factors are the power FET large signal modeling, power MMIC design methodology and process oriented CAD.
从功率FET大信号建模、功率MMIC设计方法以及CAD同工艺因素的结合等方面论述了功率单片电路的CAD应用技术。
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