In the birth stage of earth, the air was full of poisonous gases, such as gas of sulfur, carbon monoxide.
当地球初生之时，空气中充满着硫磺、一氧化碳等含毒气体。
Chronic anxiety in the mother can set the stage for a whole array of trauma based results such as prematurity, complications of birth, death, and miscarriage.
母亲的慢性焦虑可以引致一系列的创伤结果，包括早熟、生育并发症、死亡以及流产。
During the second night the actual birth is introducedwith second stage contractions and goes on until the early morning hours.
第二晚真正的分明来到第二阶段，收缩直到凌晨。
The last stage of the birth process involves the delivery of the placenta, which is now called the afterbirth.
分娩的最后一个阶段是胎盘的出来。
The hot core collapses and begins to pulsate, eventually shedding its outer layers of gas to set the stage for the birth of a planetary nebula.
恒星高温的核心坍缩，并开始有规律的振动，最终气体外层迸散，为行星星云的形成提供了有利条件。
At the age of around twenty nine, Saturn returns to its position at the time of birth, and this stage is seen as an important milestone in a person's life.
在大约二十九岁的时候，土星回归到出生时候的位置，这个阶段被视为是一个人生命中一个重要的里程碑。
Firstly, we propose and study the single-species discrete population model with stage structure and birth pulses.
在第二章，我们研究了密度依赖生育脉冲对单种群阶段结构离散模型的动力学行为的影响。
There are no guarantees of its long-term survival at this early stage but we hope that its birth against the odds will stand it in good stead.
现在刚刚出生，我们也不敢保证它能活多久，但愿这个艰难的降生能给它一个好的基础。
Our result demonstrate that the birth weight have relations with the severity of rop and cryotherapy is an effective treatment for the active stage ill retinopathy of prematurity .
早产儿的出生体重和其视网膜病变的严重程度有关且冷冻治疗可以抑制活跃性的纤维血管组识之恶化并助其吸收，对于第三期早产儿视网膜病变有治疗效果。
Drug exploiture is the most basic and most important stage which give birth to the quality of drug, its quality directly give influence to the quality of final drug.
药品开发作为药品质量孕育以及形成的一个最基础也最重要的阶段，它的质量如何直接影响到最终药品的质量。
The birth of the international academic journal Cognitive Semiotics in 2007 signals the transition of cognitive semiotics as a branch of semiotics from a burgeoning stage to growing maturity.
2007年《认知符号学》这一国际学术刊物的问世标志着认知符号学作为符号学研究的一个分支已经从起步阶段逐渐走向成熟。
It points out that the birth of Gutta-Percha rubber with high elasticity is a sign that the research-development of Gutta-Percha has entered into a new stage.
指出，杜仲胶高弹性体的出现，是其研究开发进入新阶段的标志。
We investigate the dynamic behaviors of a stage-structured pest population model with birth pulse and impulsive spraying pesticide at fixed time.
研究了一个具有阶段结构，脉冲生育及在固定时刻对其喷洒杀虫剂的害虫种群模型的动力学性质。
It can be reduced through feeding complete diet, supplementing iron in time after birth, starting feed during the early stage of weaning, strict disinfection on sows before and after delivery.
饲喂全价饲料、仔猪出生后及时补铁、早期开食补料、作好母猪产前消毒和产后定期消毒，可降低仔猪黄白痢的发病率和死亡率。
With the announcement of John's birth, the stage was set for the coming of Christ, who is the only High Priest we will ever need.
在宣布约翰诞生后，已揭开了基督降临的序幕，而祂就是我们唯一需要的大祭司。
Maize's water consumption rule performance for the birth earlier period few, the intermediate stage are spring many, the later period slightly few changes tendency.
在不同覆膜方式及灌水次数下，春玉米的耗水规律表现为生育前期少、中期多、后期略少的变化趋势。
It was suggested that differentiating activity of pancreatic acinar cells didn't stop until the 8th week after birth and Lectins may be as marker in the specific stage during differentiating cells.
第8周前的不同年龄阶段，对多种凝集素反应的谱象，可作为胰腺泡细胞不同分化阶段的标志。
Milk teeth may begin to appear at anytime from five to eight months from birth, and at this stage the baby should be given something clean and hard go bite on.
婴儿出生后五到八个月左右会开始长乳牙，在这一时期应当给他干净结实的东西咀嚼。
Two stage infant pillow will surround your infant's head and provide soft, comfortable head support for preemies, low birth weight and newborn babies up to 15 lbs.
这款双层婴童头部支持保护垫围着婴童的头部，为早产儿、新生儿提供柔软、舒适的保护，可用到婴儿体重高达15磅。
Two stage infant pillow will surround your infant's head and provide soft, comfortable head support for preemies, low birth weight and newborn babies up to 15 lbs.
这款双层婴童头部支持保护垫围着婴童的头部，为早产儿、新生儿提供柔软、舒适的保护，可用到婴儿体重高达15磅。
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