目的：探讨双胎儿童的产次、出生体重与脑瘫发病率之间的关系。
Objective: To explore the relationship between cerebral palsy and the parity, birth weight in twins.
结果双胎妊娠妊娠期、产时和产后并发症多于单胎妊娠，胎位是决定分娩方式的主要因素。
Results Twin pregnancy had more complications than singleton during in labor and puerperuim Conclusions Antenatal care should be enhanced in twin pregnancy.
本文首次采用碘释放法发现双束脉冲超声辐照的空化产率增强效应。
This treatise first reveals the enhancement of cavitation yield of bi beam ultrasound irradiation.
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