多胎的

But the Hymen that has a few woman is very withy, and springiness, although via making love for many times also not burst, it is Hymen aperture increases merely just, till somebody bears the Hymen when the first embryo to just appear burst, form Hymen mark, say so, sheet sees red or whether Hymen is complete after marriage anew will judge a female to whether have asexuality life history is not quite accurate also.

但有少数女性的处女膜非常柔韧，并富于弹性，虽经多次性交也不破裂，仅仅是处女膜孔增大而已，有人直至生育第一胎时处女膜才出现破裂，形成处女膜痕，所以说，单从新婚后是否见红或处女膜是否完整来判断一个女性是否有无性生活史也不够准确。

Methods Potential related risk factors of ROP, such as age, sex, birth weight, FiO 2, duration of inspiring ox ygen, hyaline membrane dzsease, Apgar score, intracranial hemorrhage , recurrent apnea, broncho pulmonary dysplasia, patent ductus arteriosus were studied prospectively by univariate analysis and Logistic regression a nalysis in 135 preterm infants.

方法以 13 5例早产儿患儿为研究对象，对胎龄、性别、出生体重、吸氧时间、吸氧浓度、肺透明膜病、Apgar评分、颅内出血、支气管肺发育不良、反复呼吸暂停、动脉导管开放、眼底等进行检查。同时用单因素χ2 检验和多因素logistic回归分析筛选和判定早产儿ROP发生的危险因素。

Benign cystic teratomas are well-differentiated tumors composed of a variety of parenchymal cell types representative of more than one germ layer, usually all three. The most common locations are the gonads and sacrococcygeus.

成熟囊状畸胎瘤是一种良性且分化良好的肿瘤，由胚胎原始细胞分化而成，由多於一层胚层之组织而成；好发位置为性腺体、骶骨与尾骨部或纵隔腔，十分罕见於头颈部。

Results Millemeter wave irradiation at frequency of 37.4,42.2 GHz and 53,60 GHz,with minimum power density of 5 and 3 mW/cm2,lowered learning and memory ability of adult offspring and reduced the content of dopamine in their brains.

结果 37.4、42.2 GHz和53、60 GHz毫米波导致子鼠学习记忆功能降低、脑中多巴胺含量下降的最小功率密度分别为5和3 mW/cm2，随功率密度增加，辐射导致胎仔损伤程度加重。

There are not mullite crystallites in the bodies.There were coated and stamped decorations on the surface of some samples.

部分样品表面有涂层和印纹装饰，涂层分二种：（1）残留物较多的富玻璃相涂层，（2）细胎泥涂层。

This result reveal that the cell is pancreatic stem cells and pancreatic stem cells do exist in pancreas,It maintains the steady of pancreas by neogenesis and differation. At present,our laboratory can isolate and expand this cell steadily.This study can provide reference for isolation and expansion of pancreatic stem cells.

说明胰腺内存在着多潜能干细胞，本方法分离到胎猪胰腺干细胞，经诱导分化可形成有功能的胰岛样细胞团并释放胰岛素，有望为进一步研究异种胰腺干细胞移植治疗糖尿病提供材料。

Ovary superior, disk absent, locules and carpels 3-5 or more; placentation axile; ovules anatropous with a single integument, 10 or more per locule; styles as many as carpels, distinct or connate, generally persistent.

子房上位，无花盘，室和心皮3-5或更多；中轴胎座胚珠倒生，有单个珠被，每子房室有10个或更多的胚珠；花柱和心皮同数，离生或者合生，通常宿存。

Mesencephalic neural stem cells of rats at different gestational days have different capabilities to differentiate towards dopaminergic neurons.

不同胎龄大鼠中脑的神经干细胞体外诱导向多巴胺能神经元分化的能力不同，以孕12 d诱导分化成多巴胺能神经元比例最高。

Methods 300 primiparas were divided into three groups. When Group A has uterus contractions with anal fold releasing, bilateral pudendal nerve was conducted by block anesthesia with lidocaine hydrochloride. When Group B has the uterus contractions with head visible on vulva gapping 2～3 cm, lidocaine hydroctdoride bilateral pudendal nerve was carried out by block anesthesia. Group C was not carried out any measures.

将300例宫口开全的初产妇分为三组，每组100例。A组宫缩时有排便感且肛门褶松开时应用盐酸利多卡因行双侧阴部神经阻滞麻醉；B组在胎头拨露2～3 cm时应用盐酸利多卡因行双侧阴部神经阻滞麻醉；C组不进行镇痛处理。

The company's main products have all-steel truck radial tire, rubber tires, such as ramps to the formation of many varieties, many specifications into a series of product structure.

公司的主要产品有全钢载重子午胎、斜胶胎等以形成多品种、多规格成系列的产品格局。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐