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very low birth rate 极低出生率
To increase the cure rate and life quality of very low birth weight (VLBW) infants, data of 81 VLBW for 15 years (1987 2001) were analyzed. 分析1987-2001年81例极低体重儿临床资料,提高治愈率和生存质量。
OBJECTIVE To enhance prevention and cure working of disease of the very low birth weight infant(VLBWI), enhancing livability and taking from the death rate. 目的加强极低出生体重儿(VLBWI)疾病的防治工作,提高VLBWI的存活率,降低死亡率。
As a population increases in density from very low numbers, the birth rate outstrips the death rate, so the net recruitment(births-deaths) into the population rises. 随着种群密度在很低的基础上开始增加，出生率超过死亡率，种群的净补充量增加。
Russia also has low birth rates. 俄罗斯的出生率也很低。
We should keep up our good work with regard to population and family planning and maintain a low birth rate. 继续做好人口与计划生育工作，稳定低生育水平。
Objective To analyse the clinical characteris tics of 21cases of very low birth weig ht infants(VLBWI ). 目的:通过分析极低出生体重儿的临床特点,探讨如何提高VLBWI的存活率。
WHO says environmental hazards can cause miss carriage (miscarriage) , stillbirth, low birth rate (weight) , and birth defects. WHO指出环境危害能引起流产，死产，出生重量低，和婴儿缺陷。
Very low birth weights (VLBW) remain the major frictor contributing to neonatal mortality and morbidity. 摘要极低体重婴儿仍然为新生儿死亡及罹病的主要因素。
Objective To discuss the effects of early feeding in very low birth weight infants(VLBWI). 目的探讨极低出生体重儿早期喂养对疾病恢复的效果。
The current family planning policy has been kept stable,and the low birth rate has been maintained. 稳定现行计划生育政策，保持低生育水平。
The current family planning policy has been kept stable, and the low birth rate has been maintained. 稳定现行计划生育政策，保持低生育水平。
Politically these nations tend to be unstable, with very high birth rates but poor education and very low levels of literacy. 伴随非常高的出生率然而落后的教育以及非常低的文化水平，这些国家在政治上往往是不稳定的。
Objective To analyze the high risk factors of parenteral nutrition-associated cholestasis(PNAC)in the very low birth weight infants(VLBWI). 目的分析极低出生体重儿(very low birth weight infant,VLBWI)发生肠外营养相关胆汁淤积(parenteral nutrition-associated cholestasis,PNAC)的高危因素。
The country also has a low birth rate, there were only 1.35 children per woman in 2006. 义大利出生率低，2006年，平均每位妇女只有1.;35个孩子。
Objective To investigate the risk factors,prevention and treatment of bronchopulmonary dysplasia(BPD) in very low birth weight infants(VLBWI). 目的探讨极低出生体质量儿(VLBWI)并支气管肺发育不良(BPD)的危险因素及预防对策。
Very low birth weight infants, particularly those of less thon 30 weeks' gestation, usually require multiple red blood cell transfusions. 摘要非常低体重儿经常需要输注多次红血球，因此会暴露于很多位捐血者，增加了发生输血副作用的可能性，特别是与输血相关的感染性疾病。
"The low birth rate can seriously affect our economy, politics and even national security," said Lieutenant Hong Kyung-moon, an army personnel officer. 韩国军方官员Hong表示:“出生率低严重影响了我国的经济、政治甚至国家安全。
DEV.：Subnormal head circumference in very low birth weight children： Neonatal correlates and school-age consequences Peterson J.Taylor H.G.Minich N. 人体早期发育：极低出生体重儿头围较小的新生儿期相关因素及学龄期结局 EARLY HUM.
Chinese Vice Premier Li Keqiang on Thursday said the country should continue keeping a low birth rate for its sustainable development. 国家副总理李克强在周四发表讲话称，为了可持续发展，国家应当继续保持低人口出生率。