Incidence of the disease is fairly evenly spread across Europe.
这种疾病的发生率在欧洲各地相当平均。
There is little seasonal variation in the incidence of the disease.
在该病的发病率方面存在着极小的季节性差别。
Black women also have a higher incidence of the disease at younger ages and tend to be diagnosed at later stages.
黑人妇女还具有年轻妇女发病率较高和往往在后期才被确诊的特点。
"They have the longest lifespan in the world, the lowest incidence of obesity, heart disease and diabetes."
VOA: standard.2010.02.23
You have to test it by giving the vaccine to a large population of people, and then watching and seeing if you've reduced the incidence of the disease.
这样的测试的做法只能是,给大量人群分发疫苗,接着观察和了解,这种疾病的发病率是否有所降低
Rising flood waters raise the incidence of malaria and diarrheal disease.
VOA: standard.2009.09.06
应用推荐