But the stress increase due to bottom material visco - elasticity is small in the model of this paper 但在本文设定的构造模型框架和介质参数下，下层黏弹性的存在对上层母体的应力随时间的增加影响不大。
Chapter 5 . ceoi nanoparticles of average diameter about 30 nm were prepared by sol - gel method in lower temperature 另外，我们用自制的纳米氧化怖粉末制备了以醋酸纤维素为母体的稀土元素离子选择电极。
Finally , we proide information regarding maternal counseling based on maternal condition and fetal gestational age at time of diagnosis 最终我们以母体的状态和诊断时胎儿的孕周为母体提供个性化服务信息。
Finally , we provide information regarding maternal counseling based on maternal condition and fetal gestational age at time of diagnosis 最终我们以母体的状态和诊断时胎儿的孕周为母体提供个性化服务信息。
We investigated early growth and mortality of k . candel seedlings under the mangrove canopy and bare tide flat across a tidal gradient 这说明胎生红树植物的繁殖体脱离母体后幼苗的生长对母体的一种依赖性。
The entrance of the birth canal , where the baby begins its journey , is widest from side to side relative to the mother ' s body 原来人类产道的横切面是连续变化的，入口处（就是胎儿进入人世的起点）最宽的地方朝向母体的两侧。
Certain infections can trigger preterm labor , and other risk factors include poor diet , maternal stress , lack of prenatal care and smoking 有些感染可能会引发早产，其他危险因素包含营养不良、母体的焦虑现象、缺乏产前照护以及抽烟。
Both the prenatal period and adolescence are critical times in brain development and smoking has been linked to memory and attention problems in teens 婴儿在母体的发育期和青少年时期都属于其脑力发展的重要阶段。吸烟影响了孩子们的记忆力和注意力。
The trophoblast which displays highly proliferative properties between normal and tumor cells plays an important role in the establishment and maintenance of pregnancy 滋养层细胞生长特性处于正常细胞和肿瘤细胞之间，具有高度增殖能力及对母体的侵蚀性，并受多种因子调控。
In practice this means that sperm and egg are brought together in a petri dish ; the resulting embryos are grown in a laboratory and then transferred to the womb of the mother 它实际上是把精子和卵子一起放入一个有盖的培养皿中，并在实验室培养由此产生的晶胚，然后将其移入母体的子宫。
