The male to female ratio was 1.47:1.
男女比例约为1.47∶1。头痛、复视是本病最常见的症状。
The male to female ratio of cases was 3:1.
病例的男女比例为3:1。
Ken read from the age composition of the people, basically a young society, and the male to female ratio higher than the national.
从垦民年龄构成看，基本属于年轻型社会，且男女比例高于全国。
According to the National Bureau of Statistics, the male to female ratio at birth in China is about 119 males to 100 females, the highest in the world.
根据国家统计局的相关数据显示，在中国新生儿男女比例世界最高，约为119比100。
At Huazhong University of Science and Technology the ratio of male to female engineers is about 7 to 1.
华中科技大学前身是华中理工大学，理工科男生和女生的比例最夸张的时候是7∶1。
But that said, I find it difficult to accept that, over the past 20 years, male poets in the UK have outperformed female poets by a ratio of nearly 7:1.
可是，二十年来，英国诗人男女比例将近7：1的事实又叫人无法接受。
To determine whether in countries with high gender empowerment the female-to-male smoking prevalence ratio is also higher.
旨在确定女性性别权利高的国家里，女性对男性吸烟比率是否接近1。
The mean age at death was 70 years and the male-to-female ratio was 3.6:1.
死亡的平均年龄是70岁，男女比例为3.6：1。
Most people will be at about age 10 through a series of large and subtle change, the ratio of male to female one or two years later.
大都人会在10岁左右阅历一系列庞大而巧妙的改变，男性比女性晚一两年。
In most countries, IBS affects 5% to 11% of the population, with prevalence peaking from age 20 to 45 years with a female predominance (female: male ratio approximately 2:1).
在大多数国家，IBS影响了总人口的5%到11%，流行率从20岁到45岁急剧增加，女性居多(女性：男性约2：1)。
She added: 'It's been fascinating to see our members discussing the male author/female author ratio of their reading.
她补充道：“看到我们的会员在讨论他们阅读作品中作家性别的比例，我感到十分惊喜。”
The results showed that the difference existed between male and female in elastic potential energy utilization ratio(higher for male)which positively correlated to the skill degree and body mass.
结果表明：弹性势能利用率存在性别差异，男性受试者弹性势能利用率高于女性，并与运动员等级、体重保持一定正相关；
The ratio of male to female was 1.23:1. CONCLUSION: Most vascular tumors in oral and maxillofacial regions were benign.
血管肿瘤男女比例为1.23∶1。结论：颌面部血管肿瘤中，良性肿瘤及瘤样病变多见；
To improperly increase the percent of wasp would have a bad influence on the quantity or ratio of female and male of next generation.
过多地增加接蜂数量，会影响到子代的出蜂数量和雌雄性比等。
The ratio of male to female was 1:1.13.
雄、雌性比例为1∶1.13。对各虫态躯体的大小进行了测量。
But since 1970, the U. s. and Japan have experienced a downward shift in this male-to-female birth ratio, researchers report in the online edition of the journal Environmental Health Perspectives.
但据研究人员在环境健康观察期刊在线版上发表的报告显示，从1970年开始，美国和日本的男女出生比率开始下降。
The male-to-female ratio of achalasia is 1:1.
贲门失弛缓症的男性与女性的比例为1：1。
The high male to female birth ratio has become the most outstanding issue in China's population structure.
出生性别比畸高成为当前中国人口结构中最突出的问题之一。
The high male to female birth ratio has become the most outstanding issue in China's population structure.
出生性别比畸高成为当前中国人口结构中最突出的问题之一。
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