常见例句OBJECTIVE To analyze perinatal mortality,death causes and change within 10 yaars in Luohu District,and to provide funcamental information for making preventive measures. 目的掌握羅湖區近10年圍産兒死亡水平、死因分佈情況及其變化,爲制定有傚乾預措施提供依據。 返回 funcamental