常見例句It was multi-factors that attributed to delivering LBW infants. LBW的發(fā)生可能是多因素綜合作用的結(jié)果。While, POR and EY were 14% and 11.52% of LBW respectively. 卵和油所占比例分別為11.;52%25和14%25。Independent t-tests identified that NBW children had more sleep problems than LBW children(t=2.200,P=0.031). 正常出生體重組兒童睡眠障礙為2.;74士2The investigation on the welding of AZ61 magnesium alloy showed that magnesium alloy could be welded by LBW. 采用CO2激光試驗(yàn)系統(tǒng)對AZ61鎂合金的激光焊接工藝進(jìn)行了研究。The corrosion resistances of fusion zone and weld decay zone have all decreased after GTAW and LBW process. GTAW焊件在焊道及焊接衰化區(qū)的腐蝕情形會隨著時間增加而加深。Background: Preterm birth and low birth weight (LBW) are major determinants of infant morbidity and mortality. 摘要背景:早產(chǎn)與低出生體重是嬰兒期疾病率與死亡率的重要決定因素。 返回 LBW