查询词典 sex ratio

The research aimed to discuss the influence of sex ratio on individual behaviors.

［目的］为了探讨性比对个体行为的影响。

"It looks as if high sex ratio areas, particularly in central China, are likely to get worse," she said.

"看起来，在男女比例高的地区，特别是中国中部地区，问题将越来越严重，"她说道。

The objective of this research is to explore the causes of the high sex ratio at birth, including the direct and indirect causes.

文章的目的是要探讨中国出生婴儿性别比偏高的间接和直接原因。

Results: There was no significant difference between the two groups in age,weight,sex ratio and the time of the tourniquet.

结果 (1)一般资料：两组病人的年龄、体重、性别比及止血带时间无显著性差异。

In China, the higher a province's literacy rate, the more skewed its sex ratio.

在中国某省份，居民的文化水平越高，性别失衡的越严重。

Basic parameters of the populationAt present,the sex ratio of female and male of population of Gloydius shedaoensis is 1.11:1.00,the number of effective populations is 15 074 and age structure is that the juvenile 9.66%,subadult 15.81%,adult 61.08%,and aged adult 13.45%.

种群现有的基本参数蛇岛蝮种群现有的雌雄比为1.11：1.00，有效种群数量为15074条，年龄结构为幼体9.66%，亚成体15.81%，成体61.08%，老成体13.45%。

Line transect method and individual counting method were used to study the population size and sex ratio of Blood Pheasant in the main study area.

采用线路统计法和绝对数量调查法对研究中心区血雉的种群数量及性比进行了调查。

Result: Scoliosis was identified in 58 cases with Marfan syndrome (38 males and 20 females), the prevalence rate was 42.03%, male-female sex ratio was 1.18:1, 6 cases were in younger than 10-year-old group. 12 cases were in 11~20-year-old group, 19 cases were in 21~30-year-old group, 11 cases were in 31~40-year-old group, 7 cases were in 41~50-year-old group, 3 cases were in 51~60-year-old group. Mean magnitude of Cobb angle in coronal plane was 26.8°±27.8°, the types of scoliosis curve included thoracic curve (36 cases), thoracolumbar curve (11 cases), lumbar curve (2 cases), double curve (6 cases) and triple curve (3 cases), apex vertebraes were convex to the right side among single curves in 38 cases while 11 cases were convex to the left side. Mean magnitude of kyphosis in sagittal plane was 14.3°±13.2°, 5 patients had thoracic lordosis and 40 patients had hypokyphosis and 12 patients had normal kyphosis.

结果：58例(42.03%)患者合并脊柱侧凸，男38例，女20例，男女患病率比例为1.18：1，其中≤10岁6例，11~20岁12例，21~30岁19例，31~40岁11例，41~50岁7例，51~60岁3例；平均冠状面Cobb角为26.8°±27.8°；胸弯36例，胸腰弯11例，腰弯2例，双弯6例，三弯3例；单弯中顶椎凸向右侧38例，凸向左侧11例；矢状面胸椎后凸平均为14.3°±13.2°，其中胸椎前凸5例，胸椎后凸不足40例，胸椎正常后凸12例，仅1例胸椎后凸45°；11例患者冠状面Cobb角＞40°，平均年龄15.9岁。

The findings indicate that uxorilocal marriage helps to stabilize low fertility,alle- viate son preference,lower the sex ratio at birth,and improve female child survival and women's family and social status.

研究发现，招赘婚姻有利于稳定低生育率、降低男孩偏好和出生性别比、改善女孩和妇女的生活环境、缓解老龄化背景下没有儿子老人的养老困难。

Litter size, sex ratio at birth, and anogenital distance in offspring of both sexes were examined, as well as vaginal opening in female offspring.

采用逆转录聚合酶链反应技术和免疫组织化学染色技术检测各组胎盘ERα、ERβ受体的表达。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。