目的探讨腰麻-硬膜外联合麻醉用于分娩镇痛对产妇血清催乳素(prl)和母儿血气的影响。
Objective: To explore the influence of pain relief during labor by Spinal Epidural Combined Anesthesia on the serum PRL level of mothers and the blood air of mothers and baby's.
最初形成的岩系的母岩浆，起源于麻粒岩相的下地壳。
The parent magma of several rock series formed earliest originated from the lower crust of granulite facies;
最初形成的岩系的母岩浆，起源于麻粒岩相的下地壳。
The parent magma of several rock series formed earliest originated from the lower crust of granulite facies;
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