英语词汇birth-death ratio怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	birth-death ratio
释义	birth-death ratio 简明释义生死比网络释义短语 1 National Population Birth-death Ratio 全国人口出生率死亡率 2 birth- death ratio 生死比率双语例句 1 The odds ratio for preterm delivery with intrapartum kidney stones was 1.8. However, there was no connection found between stones and low birth weight or infant death. 早产与分娩期肾结石的比值比为1.8。但是并没有发现结石与低出生体重儿或婴儿死亡有关。
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