The prevalence of disease and insect pest is one of the factors, which restrict the yield in rape production.
在油菜生产中，病虫害的发生是油菜高产稳产的限制因子之一。
The regularity of interval depends on the prevalence of disease in a given population as well as the biology of the tumor.
间隔时间的长短取决于出现该病的特定人群和肿瘤的生物学特性。
Analytical work of the type recently done in Kenya, and new surveys of the prevalence of disease planned in several African countries, will help to improve the current estimates.
最近在肯尼亚开展的那种类型的分析工作以及在若干非洲国家计划对疾病流行率进行的新调查将有助于改进目前的估计。
The reason being it is very dependant of the prevalence of disease, it is dependant on the characteristics of the test, its dependant on the criteria that you use to decide significance;
这是由于其非常依赖疾病的患病率，测试的特点以及判断测试意义的标准；
As a disease whose prevalence is related with advancing age, it affects more men than women with a ratio of 3:2.
作为一种多发于中老年的疾病，男性发病率高于女性，比例为3：2。
Advanced statistical methods were then used to estimate the global prevalence of the disease.
随后使用高级统计学方法对全球糖尿病流行状况进行评估。
That matters because higher rainfall in recent years has increased the prevalence of “black pod”, a fungal disease which lowers cocoa yields.
随着今年降雨量不断增多，黑荚病，一种由真菌引起病使可可减产的植物病害传播流行开来，上诉农户的行为就产生了较大的影响。
The event at the Cairo Opera House highlighted the threat of AIDS in a country where prevalence of the disease is low, but where the rate of infection is increasing rapidly.
开罗歌剧院的活动强调了AIDS在一个患病率很低然而感染率迅速增长的国家的威胁。
Rare diseases can vary in prevalence between populations, so a disease that is rare in some populations may be common in others. This is especially true of genetic diseases and infectious diseases.
罕见病在不同的人群中的流行性差异很大，某种疾病在一个人群中很罕见，在另一个人群中可能就很常见了，这就是流行性疾病和遗传性疾病之间的差异所在。
They are selected with regard to disease prevalence, evidence of efficacy, safety, and comparative cost-effectiveness.
对药物的选择考虑到了患病率、药效证据、安全性以及相对成本效益。
Advances in medicine, which may help people with the disease live longer, and better detection of diabetes are other reasons why its prevalence could dramatically increase by 2050, she said.
她说，使患者存活时间更长的医疗技术进步和更有效的检察手段也是导致预测2050年左右糖尿病病例会大幅增加的因素之一。
The growing prevalence of the disease is often attributed to urbanization, fast-food diets, smoking and sedentary lifestyles characteristic of Western societies.
心脏病发病率攀升的现象往往被归咎于城市化、快餐饮食、吸烟以及久坐不动等西式生活方式。
The medicines included in the WHO Model List of Essential Medicines are selected with regard to disease prevalence, evidence of safety and efficacy, and comparative cost-effectiveness.
对《世卫组织基本药物标准清单》上所列药物的选择考虑到了患病率、安全性和药效证据，以及相对成本效益。
Although the uniforms themselves may not pose a direct risk of disease transmission, these results indicate a prevalence of antibiotic resistant strains in close proximity to hospitalized patients.
虽然这些工作服本身不会对疾病传播构成直接威胁，但是这些研究结果表明近距离接触住院患者有可能引起抗生素耐药菌株的流传。
Considerable research would be required to determine the exact prevalence and burden of the disease for reasons including.
需要相当多的研究以确定该病的准确患病率和负担，原因包括。
Objectives: Gastroesophageal flap valve can be divided into a four-grade system and this system can well predict the prevalence of gastroesophageal reflux disease.
研究动机：胃食道皮瓣可区分为四级。而这种分类系统，可以预测胃食道逆流疾病的发生率。
The prevalence of small bowel stenosis has ranged from 20% to 40% and from 7% to 15% in patients with colonic disease.
小肠狭窄的患病率在20%至40%之间，而在患有结肠疾病的患者中的患病率在7%至15%之间。
Both incidence and prevalence counts are important for the control of malaria and tuberculosis. Prevalence counts are important for planning services for the treatment of disease.
在对疟疾和肺结核的控制中，发病率和流行程度都很重要。流行程度在制定疾病服务计划中的地位更加重要。
The prevalence rate of the disease has dropped by 90% - from 21.1 per 10 000 inhabitants to less than 1 per 10 000 inhabitants in 2000.
麻风患病率下降了90%——从每万名居民21.1例下降到2000年的每万名居民不足1例。
The prevalence of both these disorders has risen in recent years, and both can lead to chronic inflammation, a promoter of cardiovascular disease.
近年来这两种疾病的患病率均有所上升，而且，它们都可能导致慢性炎症，继而诱发心血管疾病。
Of course in recent years, the prevalence of coronary heart disease has increased year by year.
当然，在最近几年中，冠心病的患病率每年都在升高。
Hansen, from Odense University Hospital, and her team found that 33 patients had celiac disease, corresponding to a prevalence of 12.3 percent.
来自于欧登塞大学医院的汉森和她的团队发现有33名患者有麸质过敏，相当于12.3%的流行性程度。
Elevated plasma cortisol is also associated with a greater prevalence of ischemic heart disease, independent of conventional risk factors.
血浆皮质醇水平升高与缺血性心脏疾病的患病率升高相关，而且不依赖于传统的危险因素。
Rationale: The prevalence of chronic obstructive pulmonary disease (COPD) in China is largely unknown.
原因：慢性阻塞性肺病(COPD)在中国的患病率多数人不知。
Prevalence of neurocognitive impairment was independent of age, gender, educational level or severity of the underlying disease.
神经认知功能障碍的患病率与年龄，性别，教育程度或潜在疾病的严重程度无关。
This study adds to a growing body of research revealing a high prevalence of risk factors for diabetes and premature heart disease among American youth.
这项调查为研究揭示糖尿病的危险因素和美国青少年心脏疾病的高流行增加了基础。
Objective To investigate the prevalence of life style disease among the retired veteran cadres in Xuzhou.
目的了解徐州市离休老干部的生活方式疾病流行情况。
Objective To investigate the prevalence of life style disease among the retired veteran cadres in Xuzhou.
目的了解徐州市离休老干部的生活方式疾病流行情况。
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